SysManager is a modern Windows system toolkit built with WPF and .NET 10.
It provides a comprehensive set of tools in a single application including
live network monitoring, ping and traceroute, speed tests, performance tuning
with power plan management, deep disk cleanup, duplicate file finder, disk
analyzer, battery health monitoring, process manager, app uninstaller,
startup control, Windows services manager, Windows features manager, driver
information, and system health overview.
README
SysManager
A modern Windows system monitoring and management toolkit: live network
diagnostics with gamer-friendly presets, Windows updates, disk and memory
health, gaming launcher cache cleanup, app updates and bulk install via
winget, performance tuning, privacy and telemetry controls, context menu
management, secure file shredding, DNS & hosts editor, duplicate finder,
battery health, process management with built-in descriptions, startup
control, shortcut cleanup, app blocking, install alerts, Windows features
toggle, and a friendly Event Log viewer — all in one WPF desktop app.
⚡ Get it in one line
winget install laurentiu021.SysManager
…or download the portable .exe — self-contained, no installer, no .NET runtime needed. Runs on Windows 10/11.
> ⭐ If SysManager saves you a reinstall or a head-scratch, please star the repo — it's the single biggest help for a solo project and how others discover it.
SysManager is a local-first desktop tool for keeping an eye on a Windows PC.
It rolls network diagnostics, system health, Windows Update, app management
(updates, bulk install, uninstall), privacy controls, context menu management,
secure file shredding, driver inventory, safe deep cleanup, and a readable
Event Log viewer into a single tabbed WPF app.
Everything runs on the machine itself. No cloud, no telemetry, no account.
Built with gamers in mind — live ping overlays for CS2, FACEIT, PUBG and streaming
endpoints, Steam/Epic/Battle.net/Riot/GOG/EA launcher cache cleanup, and
an honest "is it my PC, my ISP, or the server?" verdict.
Why SysManager?
Most Windows utilities do one thing, or bundle telemetry and upsells. SysManager
is a single, local-first app that covers the whole maintenance surface — and it's
fully open source.
SysManager
CCleaner
Wintoys
O&O ShutUp10
HWiNFO
Open source (MIT)
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No telemetry / no account
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Fully local (no cloud)
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Portable single .exe
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Disk / cache cleanup
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Privacy & telemetry toggles
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Network diagnostics (ping / traceroute / speed)
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Disk / RAM SMART health
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App updates + bulk install (winget)
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Free
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⚠️ = partial, paywalled, or limited. Comparison reflects the free editions as of 2026; features evolve — corrections welcome via an issue.
Features
Sidebar navigation
The sidebar organises 58 feature tabs into 12 collapsible groups so you can
find what you need without scrolling through a flat list. 53 tabs are fully
implemented; 5 are work-in-progress placeholders marked with ⚙️:
Group
Tabs
🏠 Dashboard
Dashboard
🔧 System
System Health · Windows Update · Performance Mode · Services · Startup Manager · Windows Features · Restore Points · Task Scheduler · Boot Analyzer · System Fixes · Tweaks Hub
🎮 Gaming & Profiles
Gaming Profile ⚙️ · Standby List Cleaner · Timer Resolution · CPU Core Affinity · Display Profiles
> ⚙️ = Work in Progress — placeholder tab visible in the sidebar, implementation coming in future updates.
Groups expand and collapse with a click. Collapsed groups show a child count
badge, a subtitle with abbreviated child labels, and a tooltip with the full
list. Dashboard renders as a flat top-level entry without an expander arrow.
Each tab shows a slim progress bar under its name when performing a
long-running operation, so you always know which tab is working.
Theme customization
A palette button in the top-right corner opens an appearance popup with:
Dark mode — 6 curated presets (Midnight Indigo, Deep Ocean, Dark Forest, Neon Rose, Violet Night, Warm Ember)
HKCU fallback — system-protected entries can be toggled via user-level registry override
Admin elevation banner with one-click restart as administrator
Environment Variables
Edit Windows environment variables without the cramped built-in dialog:
User and System scopes in one grid — filter by scope, search by name or value
In-place value editing, plus add and remove variables
Dedicated PATH editor for PATH-like variables — reorder directories, remove
entries, and strip duplicates in one click
Missing folders highlighted so you can spot dead PATH entries at a glance
Local until Apply — changes are staged; a one-time JSON backup of every
variable is written before the first write so the original environment is recoverable
Changes broadcast to Windows, so new terminals pick them up without a reboot
System-scope edits need administrator rights (standard elevation banner); user
variables can be edited without it
Dark Mode Scheduler
Switch the Windows light/dark theme instantly — apps only, or the taskbar
and Start too
Schedule it — set a dark time and a light time (e.g. 19:00 / 07:00) and the
theme follows automatically; handles the overnight switch correctly
Applies immediately with no sign-out, no admin needed, and is fully reversible
Honest about its limits — the schedule runs while SysManager (or its tray)
is open; it's not a background Windows service
Network monitor
Live ping across multiple targets overlaid on a single latency chart
Auto-verdict that tells you in plain English whether packet loss is local,
at your ISP, or at the far-end service
Presets for gamers & streamers:
Global (Google, Cloudflare, your router)
CS2 Europe — Valve matchmaking relays (Vienna, Luxembourg, Warsaw, EU West/Central/East)
FACEIT Europe — competitive CS2 servers in DE, NL, UK
PUBG Europe — EU matchmaking cloud regions (Frankfurt, Ireland, London)
Streaming — YouTube, Twitch, Cloudflare
Auto-traceroute on a configurable interval (30 s – 10 min)
Speed tests: HTTP (Cloudflare) and the official Ookla CLI (auto-downloaded)
with persistent history (last 20 results per engine) for tracking service
degradation over time
Jitter, loss %, and average ping per target rolled up into health pills
Network repair tools: DNS flush, Winsock reset, TCP/IP reset with
confirmation dialogs and admin checks
System logs (Windows Event Log, friendly)
Browse System, Application, Security, and Setup logs
Each event gets a plain-English explanation and recommended next steps
Filter by severity and time range, plus full-text search
Export to CSV, with a "search online" link for unknown events
System report
One-click, read-only snapshot of the whole machine: OS, CPU, memory
(with per-slot module detail), GPU, motherboard, storage health, and active
network adapters
Storage section carries SMART detail when available — temperature, wear %,
and power-on time — reusing the same disk-health data as the System Health tab
Export as plain text, a styled self-contained HTML page, or structured
JSON — or copy the text straight to the clipboard
Fully local: nothing on the system is changed and the report is written only
to the file you choose — nothing leaves the machine
System health
OS / CPU / RAM / storage overview
SMART data per disk: temperature, wear %, power-on hours, read/write errors
Colour-coded verdict per drive
Memory diagnostic that scans the last 30 days of WHEA events for RAM errors
Schedule the Windows Memory Diagnostic at next boot
Read-only chkdsk with auto-discovered NTFS/ReFS drives and multi-select
BIOS & firmware — BIOS version/date/vendor, motherboard model, boot mode
(UEFI/Legacy), and Secure Boot status, all read-only. A Find BIOS update
button opens the right manufacturer support page (ASUS, MSI, Gigabyte, ASRock,
Dell, HP, Lenovo, …) for the detected board, and Copy info grabs the model +
BIOS version for support searches. SysManager never flashes firmware itself.
Restore Points
List every Windows System Restore point — sequence number, date, description,
and type — newest first
Create a restore point with an optional custom description (enables System
Restore on the system drive first if it's off)
Restore the PC to a selected point, with a clear confirmation that warns
Windows will restart and that programs/drivers added since that point are removed
Admin elevation banner — viewing the list works unprivileged; creating and
restoring need administrator rights
Legacy Panels
One-click launcher for the classic Windows applets that newer releases keep
hiding: Control Panel, Sound, Power Options, Network Connections, Region,
System Properties, User Accounts, Device Manager, Computer Management,
Programs and Features, Mouse, and Date and Time
Pure launchers — each just opens the built-in panel; nothing is modified,
so no elevation or confirmation is needed
The applet list is fixed in code, so no typed input ever reaches the launcher
System Fixes
One-click repairs for common Windows breakages, each with a clear description and
a confirmation before it runs:
Reset Windows Update — stop the update services, clear the
SoftwareDistribution and catroot2 caches, and restart the services
Reinstall WinGet — re-register the App Installer when app installs/uninstalls fail
Set up Auto Sign-in — opens the built-in User Accounts dialog, so Windows
stores the credential securely and SysManager never handles your password
Live output, honest success/failure reporting, admin elevation banner
Network-stack reset (Winsock / TCP-IP / DNS flush) lives on the Network → Network
Repair tab, which offers those as individual one-click tools.
Tweaks Hub
One place for safe, reversible optimizations that are otherwise spread across
tabs — review them all in a single list, tick the ones you want, and apply or
undo in bulk
Essential group — low-risk, per-user tweaks that apply without administrator
Advanced group — higher-impact, machine-wide tweaks behind a caution banner
(need administrator)
Apply Selected / Undo Selected with a live count of pending changes — nothing
is written until you click, and each tweak is individually reversible
SysManager tries to create a System Restore point before the first change in a
session (best-effort — needs administrator and Windows' once-per-24h limit); the
status line tells you when one was actually created. Every tweak is also
individually reversible regardless
Each row shows whether it's currently Applied or at the Windows Default;
it's a front-end over the same reversible operations as the Privacy & Telemetry tab
Boot Analyzer
Shows how long your PC takes to boot — total, core (main path), and
desktop ready-up time — across recent boots, read from the Windows
boot-performance history (Diagnostics-Performance log)
A trend line tells you whether the last boot was faster or slower than your
recent average
Lists the apps, drivers, services, and devices Windows flagged as slowing boot,
with the delay attributed to each
Read-only; reading the log requires administrator (elevation banner shown)
Task Scheduler
Browse every Windows scheduled task with its state, type, and last/next run
Color-coded by type — Third-party, well-known Telemetry (Compatibility
Appraiser, CEIP, Feedback, Error Reporting), and System — so it's obvious
what's safe to touch
Enable / disable any task; disabling is fully reversible and never deletes
the task — System tasks show an extra warning before you disable them
Filter by name or path, and optionally hide system tasks to focus on the rest
Changes need administrator and are verified by reading the task's state back
Windows Update (Windows Update Agent COM API)
Direct Windows Update Agent COM integration (Microsoft.Update.Session) —
installs everything WUA can offer, including optional drivers and firmware
that PSWindowsUpdate filters out client-side
Unified DataGrid for everything in one scan — standard, feature
upgrades, optional drivers, and hidden updates
Categorized with colored pills: Security, Cumulative, Defender, Driver,
Servicing, .NET, Feature upgrade, Hidden — click headers to sort
Per-update checkbox selection with Select all / Deselect all — install
exactly what you want, skip what you don't
Live progress per update: Connecting → Downloading → Installing → ✓ Installed
streamed to the console as it happens
Per-row Status column updated in real time
(Pending… → Downloading… → Installing… → Installed /
Installed (reboot required) / Failed / Not applied)
Honest aggregate reporting:
Installed X/Y. Failed: Z. Not applied: W.
Reboot detection — toast notification if any update requires reboot
Pending-reboot check, update history (last 30 — via PSWindowsUpdate)
Admin banner with a one-click "Run as Administrator" relaunch
PSWindowsUpdate is optional now (used only for the History view)
Update timing & deferral — defer feature updates by N days while security
patches keep flowing, pause all updates for a bounded window (max 35 days, then
Windows auto-resumes), or restore defaults. Uses the documented Windows Update
policy keys and is fully reversible. No "disable updates forever" option by
design — the strongest action is a bounded pause, so the machine is never left
permanently unpatched.
App updates (winget)
Scan for upgradable packages
Sort by name, ID, version, or source via clickable column headers
Select all or individual packages, bulk upgrade with per-package status
Cleanup (fast)
Clear TEMP folders
Empty the Recycle Bin
Run SFC /scannow and DISM /RestoreHealth in the background — keep
using the app while they grind
Deep cleanup (safe)
Scan-first: every category is discovered with size + file count
before a single byte is deleted. You pick what goes.
System buckets: NVIDIA / AMD / Intel installer leftovers, Windows
Update cache, Delivery Optimization cache, Windows Installer patch
cache, TEMP, Prefetch, crash dumps, old CBS logs, DirectX shader cache,
Recycle Bin on every drive.
Gamer buckets — launcher caches only, never game files or logins:
Steam (appcache, htmlcache, depotcache, shader cache), Epic Games
Launcher, Battle.net, Riot / League of Legends, GOG Galaxy, EA Desktop.
Windows.old is detected and flagged as irreversible, never selected
by default.
Safe by design: never touches browsers, passwords, the registry, active
drivers, or actual game files. Locked files are skipped, never forced.
Large files finder (part of Deep Cleanup)
Scan Downloads, Documents, Desktop, Videos, Pictures, Music, Program
Files, or a whole drive.
Configurable min-size (default 500 MB) and top-N (default 100).
Read-only — only "Show in Explorer" and "Copy path" actions. Deletion
is disabled by design so a mis-click can never hurt anything.
Startup Manager
Lists every program that runs at Windows boot (Registry Run / RunOnce keys)
Toggle on/off without deleting the original entry (same mechanism as Task Manager)
Sort by name, publisher, or status via clickable column headers
Shows name, publisher, command, and enabled/disabled status
Open file location in Explorer
Windows Features
Lists all Windows optional features with current state (Enabled/Disabled)
Toggle enable/disable per feature with confirmation dialog
Categorized: Virtualization, Networking, Development, Media & Print, Legacy
Shows reboot-required status after toggling
Search/filter across all features
Requires administrator privileges for modifications
Duplicate File Finder
Three-pass scan: group by size, partial-hash pre-filter, then full SHA-256
Duplicate groups sorted by wasted space (descending)
Preset folders or custom folder selection
Configurable minimum file size filter
Read-only — "Show in Explorer" and "Copy path" only, no delete
Disk Analyzer
Space breakdown by top-level folders with drill-down navigation
Drive usage bar with total/used/free
Preset paths (fixed drives, user profile, Program Files) or custom browse
Show in Explorer for each folder
Skips system paths automatically
Process Manager
Lists running Windows processes with PID, memory, threads, and status
Real-time filter by name, description, category, or PID
Sort by memory, CPU usage, name, or PID via clickable column headers
Built-in description database — 108 common Windows processes and popular
applications with plain-language descriptions, categories (System, Browser,
Development, Communication, Media, Gaming, etc.), and safety indicators
(System, Trusted, Unknown)
Kill process with confirmation dialog
Open file location in Explorer
Resource History
Historical CPU, RAM, GPU usage and temperatures — the app samples your
vitals every 10 seconds in the background (including while minimized to the
tray), so you can investigate what caused a spike yesterday instead of seeing
only the live moment
Scrollable timeline — pick a range (last hour, 6 hours, 24 hours, 7 days,
30 days); the usage chart (CPU / RAM / GPU %) and a separate temperature chart
(CPU / GPU °C) redraw to fit, downsampled so even a 30-day view stays smooth
Configurable retention — keep 7, 14, or 30 days of history; older samples
are pruned automatically
Export to CSV — save the visible range for analysis in Excel or elsewhere
Strictly local: history is stored in your %LocalAppData%\SysManager folder
and nothing ever leaves the machine
File Lock Detector
Find what's holding a file — when you get a "file in use" error, enter or
browse to a file/folder path and see which process(es) are using it, via the
Windows Restart Manager (the same mechanism Explorer's own dialog uses)
Shows process name, PID, type, and start time for each locker
End process — terminate a selected locker (with confirmation) to release
the file; critical system processes are protected from termination
Detection works as a standard user; ending a process owned by SYSTEM or
another user needs administrator rights (surfaced, not crashed)
Camera/Mic/Location
Shows which apps recently used your camera, microphone, or location, and when
Reads the Windows access history (CapabilityAccessManager consent store) — covers
both Store apps and desktop programs
Devices in use right now are flagged and sorted to the top
Read-only: an Open privacy settings button hands off to Windows to grant or
revoke a permission — SysManager never changes capability permissions itself
Settings Watchdog
Catch the settings Windows Update silently resets — feature and quality
updates often flip telemetry back to Full, re-enable web search, the Widgets
board, lock-screen ads, and Start-menu suggestions
Save a baseline of your current preferences with one click; the watchdog
remembers exactly what each watched setting was
Check now re-reads the live values and lists any drift in plain language —
e.g. "Diagnostic data: was 'Off (Security)', now 'Full'" — with the category
and a before/after comparison
Restore changed writes the drifted settings back to your baseline values in
one step (HKLM-backed settings need administrator rights, surfaced not crashed)
Strictly local: the baseline lives in your %LocalAppData%\SysManager folder and
the watchdog only ever reads or writes a fixed list of well-known registry values
Operation Lock
Prevents conflicting concurrent operations across tabs
Operations grouped by category (Disk, Network, SystemModification)
If a conflicting operation is already running, the UI shows which operation
is blocking and refuses to start the new one
Integrated into: Dashboard, Deep Cleanup, Disk Analyzer, Duplicate Finder,
Quick Cleanup, Speed Test, Traceroute, Network Repair, Shortcut Cleaner
Shortcut Cleaner
Scans Desktop, Start Menu, Quick Launch, and Recent Items for broken .lnk
shortcuts whose targets no longer exist
Lists results with name, location, and missing target path
Select all / deselect individual items
Move to Recycle Bin or permanent delete, with confirmation dialog
COM-based IShellLink resolution for accurate target validation
Scheduled Maintenance
Automate maintenance on a schedule — register one Windows scheduled task that
runs SysManager in the background (via its CLI) to clean temporary files or purge
standby memory, daily or weekly at a time you pick
See the last run, next run, and last result of the task at a glance
Update or remove the schedule any time, each with a confirmation
Runs in your user context (no admin required) and only ever touches its own task
at \SysManager\Scheduled Maintenance — no other scheduled tasks are affected
Built on the same safe CLI verbs; nothing destructive is automated
Privacy & Telemetry
12 registry-based toggles across 3 categories (Telemetry, UI Declutter, Features)
Features: disable Copilot, Cortana, web search in Start, widgets
Explicit apply — flip toggles to stage changes, press Apply to write to the
registry, or Discard to revert pending changes. A live counter shows how
many changes are queued, so accidental clicks never modify the system silently.
Category filter and search
Requires admin for HKLM-backed toggles
Fully reversible — re-enable any toggle with one click
File Shredder
Secure multi-pass file and folder deletion beyond recovery
Three shred methods: Quick (1 pass, zero fill), Standard (3 passes), Thorough (7 passes)
Cryptographically random overwrite data (RandomNumberGenerator)
Add files or entire folders via file picker dialogs
Progress tracking per-item with cancel support
Skips junction points and symbolic links (prevents symlink attacks)
Confirmation dialog before irreversible shred
DNS & Hosts
DNS Preset Switching — one-click DNS change: plain resolvers (Google,
Cloudflare, Quad9, OpenDNS) plus ad/malware/family-blocking variants
(Cloudflare 1.1.1.2 malware / 1.1.1.3 family, AdGuard DNS ad-blocking + family,
OpenDNS FamilyShield), each with a description of what it blocks. IPv6
resolvers are configured automatically alongside IPv4. Reset to automatic
(DHCP) any time; shows current active DNS. An Undo button restores the exact
DNS configuration in effect before the last change.
Hosts File Editor — view, add, and remove entries from the Windows
hosts file with a clean table UI. Add IP + hostname pairs, toggle entries,
or remove them. Backs up hosts file before modifications.
Requires administrator privileges for both DNS and hosts operations
Admin elevation banner with one-click restart
Bulk Installer
Curated catalog of popular applications grouped by category: Browsers,
Communication, Media, Development, Utilities, Gaming, Security,
Office & Productivity, Creativity, Networking & VPN, Runtimes & Frameworks
Select multiple apps and install all via winget in one batch operation
Custom winget search — search the entire winget repository and add
any package to your install queue
Category filter and text search across the catalog
Per-package install status tracking with ETA
Live console output showing winget progress
GroupedView with visual category headers
App Alerts
Monitors Program Files, AppData\Programs, and registry uninstall keys for
new application installations
FileSystemWatcher on install directories + 30-second registry poll cycle
Shows timestamped install history with app name, publisher, path, and
detection source
Start/stop monitoring, acknowledge alerts, show all currently installed
apps, clear history
App Blocker
Blocks applications from executing using Image File Execution Options (IFEO)
registry mechanism
Enter an exe name or browse for a file, confirm, and the app is prevented
from launching
Fully reversible — unblock restores normal execution
Shows list of currently blocked apps with select/deselect and batch unblock
Requires admin privileges for registry modifications
Debloater & Ads
Remove preinstalled Windows Store apps you don't use:
Scan all installed Store apps with name, publisher, and a short description
Curated "common bloat" preset pre-selects safe, frequently-removed apps
(Bing News/Weather, Clipchamp, Solitaire, Xbox apps, consumer Teams, and more)
System-critical apps are protected — the Store, frameworks, and security/shell
components are denylisted and can never be selected or removed
Impact summary + confirmation before anything is uninstalled
Reversible — removal is per-user, so any app can be reinstalled from the Store
Search and per-app descriptions help you decide before removing
Browser Cleaner
Reclaim space and clear browsing traces, per browser:
Auto-detects Chrome, Edge, Brave, Opera, and Firefox
Per-category with size shown: Cache, History, Cookies, Sessions
Cookies/sessions are flagged and left unticked by default — cleaning them
signs you out, so it's always an explicit choice; cache and history are pre-selected
Confirmation with an impact summary before anything is deleted
Per-user (no admin); locked files (browser open) are skipped, not forced, and
symlinks/junctions are never followed
Defender Tweaks
Manage Microsoft Defender without digging through Windows Security:
Status at a glance — real-time protection, cloud protection (MAPS), PUA
protection, and Controlled Folder Access
Toggle PUA protection and Controlled Folder Access (ransomware protection)
Scan exclusions — add or remove folders Defender should skip (handy for
big game libraries); paths are validated and additions never replace your
existing exclusions
Honest about Tamper Protection — if it's on, Windows can silently ignore
changes, so the tab detects it, warns you, and only reports a change as done
after reading it back and confirming Windows actually applied it
Changes need administrator and are confirmed first; lowering a protection is
always an explicit, reversible choice
Battery Health
Charge %, health %, wear level, cycle count, chemistry
Design vs full-charge capacity via WMI
Estimated runtime display
Gracefully shows "No battery detected" on desktops
Uninstaller
Lists all installed applications via winget with size from registry
Filter by name or package ID
Sort by name, size, or publisher via clickable column headers
Select/deselect all, batch uninstall with confirmation dialog
Local app support — uninstalls apps not in winget via registry UninstallString
Live console output from winget
Timer Resolution
Lower input latency for games — requests the finest Windows timer
resolution (≈0.5 ms) instead of the ~15.6 ms default, via the ntdll
NtSetTimerResolution API
Live current/finest/default readout — always re-queries the effective
resolution (Windows 11 may stop honoring a request while the window is
minimized), so the number shown is the real one
One-click enable / restore — fully reversible; the request is released
when you restore it or simply close the app. No admin required
Power-cost warning — a finer timer wakes the CPU more often, increasing
power draw and battery drain on laptops
Display Profiles
Quick-switch resolution + refresh rate — pick a mode (e.g. 165 Hz for
gaming, 60 Hz for work) from the list of everything your display supports,
using only the Windows display APIs (no NVIDIA/AMD tool conflict)
Safe by design — applies for the session, so a reboot reverts; on top of
that a 15-second auto-revert restores the previous mode unless you confirm
"Keep", so a bad mode can never strand you on a blank screen
Per-display — choose which monitor to configure; shows the current mode
Validates each mode (CDS_TEST) before applying; no admin required
CPU Core Affinity
Pin a process to specific CPU cores — pick a running process and choose
which logical CPUs it may run on, then Apply (or Restore the original)
Hybrid-CPU aware — on Intel 12th-gen+ CPUs, P-cores and E-cores are
detected and labelled (via GetLogicalProcessorInformationEx), with one-click
P-cores / All cores presets
Safe and temporary — affinity is per-running-process and reverts when the
process exits; no admin for your own processes (changing another user's
process is surfaced as needing admin, not a crash)
An empty selection is rejected — Windows treats an empty mask as "let the OS
decide", so the app never silently does the opposite of what you picked
Standby List Cleaner
Frees cached standby memory — the built-in equivalent of ISLC, to reduce
stutter when RAM runs low in games
Live stats — total RAM, available, and memory load %, refreshed every 2s
Purge on demand or auto-purge when available RAM drops below a
threshold you set with a slider
Safe and non-destructive — the standby list is clean, disk-backed file
cache, so clearing it loses nothing; Windows reloads from disk on next use
Reading stats needs no admin; purging requires administrator (it enables the
same privilege RAMMap and ISLC use) and reports cleanly if not elevated
Performance Mode
Per-tweak Apply buttons — each setting is independent
Power Plan: Balanced / High Performance / Ultimate Performance
Visual Effects: reduce animations via P/Invoke (instant, no logout)
Game Mode: enable/disable via registry
Xbox Game Bar: disable overlay and Game DVR via registry
NVIDIA GPU: force max performance with auto-detected GPU subkey (reboot required)
Processor State: force CPU min state to 100%
Overlays info: manual instructions for Discord, Steam, NVIDIA GFE, EA App
OriginalSnapshot: captures exact system state before first change;
Restore All reverts to the snapshot, not hardcoded defaults
Confirmation dialog before every change
Restore point creation: create a Windows System Restore point before
making changes (requires admin)
RAM working set trim: free physical RAM by trimming all process working
sets — same as RAMMap's "Empty Working Set" (useful before launching a game)
Hibernation toggle: enable/disable hibernation to free disk space
(deletes hiberfil.sys when disabled)
Services
Lists all Windows services with current status and startup type
Gaming recommendations: services tagged as "safe to disable", "advanced",
or "keep enabled" with per-service explanations
Filter by status (Running/Stopped), recommendation level, or free-text search
Start, stop, disable, or enable services with confirmation dialogs
Requires admin for all mutations
Drivers
Sortable DataGrid table of all installed system drivers
Columns: Device Name, Manufacturer, Version, Date — click headers to sort
Data parsed from Get-CimInstance Win32_PnPSignedDriver
Dashboard
One-line OS / CPU / RAM / disk summary
Live uptime counter
Real-time vitals — CPU, RAM, and GPU usage refreshed at 300 ms while
the tab is visible (polling pauses automatically when it isn't), with live
indicator dots.
Recent Activity — the last features you opened and actions you ran
(cleanups, DNS changes, app removals, restore points, …) with timestamps.
Quick Tune-Up — one-click wizard that cleans temp files, optionally
empties the Recycle Bin, scans for broken shortcuts, checks disk SMART
health, flags high uptime (14+ days) and high RAM usage (85%+). Displays
a summary card with freed space, warnings, and links to relevant tabs.
Non-destructive, no admin required.
Health Score — overall system health gauge (0–100) combining disk
SMART, RAM usage, uptime, and battery wear. Color-coded ring (green /
amber / red) with up to 3 actionable recommendations. Auto-computes on
load and refreshes with "Scan system".
System Tray — minimize-to-tray on close, background health monitoring
(60s polling), CPU/RAM tooltip, Windows notifications when RAM > 90%,
uptime > 14 days, or disk health degrades. Context menu: Show / Exit.
Updates (for SysManager itself)
Auto-check on startup against the GitHub Releases API, plus a manual
"Check for updates" button in the About tab.
Discreet banner in the main window when a newer version is available.
Background download of the new build with a progress bar. If the
download is blocked, a "Manual download" button opens GitHub in the
browser.
SHA256 hash + Authenticode signature verification before install — blocks
corrupted or tampered downloads.
One-click "Install" replaces the running executable in-place and
restarts automatically (no manual file copying needed).
Full release-note history pulled live from GitHub.
Profile Export / Import
Export your SysManager settings — theme/appearance and speed-test history — to
a single portable JSON file, and import them on another PC
Selective export (tick which sections to include) and selective import
(confirm what a profile contains before anything is overwritten)
Version-aware — refuses profiles created by a newer, incompatible build
Only SysManager's own config is ever touched (never system settings), so an
import is fully reversible — just import a different profile
CLI Interface
Automate the safe actions from scripts, Task Scheduler, or deployment tools —
SysManager accepts command-line flags and runs headless (no window), writing its
output to the launching console
Commands: --health (read-only health score), --cleanup (temp-file cleanup,
never follows junctions), --trim-ram (purge the standby list), plus --version,
--help, and --list
--json emits machine-readable output; --silent suppresses chatter for
scripting; conventional exit codes (0 success · 1 error · 2 usage) let a script
branch on the result
Only read-only or non-destructive actions are exposed on the CLI — anything that
changes the system irreversibly stays in the GUI behind a confirmation dialog
The in-app CLI Interface tab is a reference: it lists every command with a
one-click copy button. Example: SysManager.exe --cleanup --silent
SysManager is published to the Windows Package Manager
community repository. Install or update with a single command:
winget install laurentiu021.SysManager
Updates are delivered automatically with each release — run winget upgrade
to stay on the latest version.
Direct download
Grab SysManager-v.exe (the `` shown on the latest release) from the
latest release
and double-click it. The executable is self-contained — no installer, no .NET
runtime required.
Verifying the download
Each release ships a matching SysManager-v.exe.sha256. Verify before running
(replace `` with the version you downloaded):
Get-FileHash .\SysManager-v.exe -Algorithm SHA256
# Compare the output to the contents of SysManager-v.exe.sha256.
The build is not currently code-signed, so Windows SmartScreen may warn on
first launch. Verifying the SHA256 matches the one on the release page is the
recommended mitigation — see SECURITY.md for details.
Build from source
Prerequisites: Windows 10 or newer and the .NET 10 SDK.
git clone https://github.com/laurentiu021/SystemManager.git
cd SystemManager
dotnet run --project SysManager/SysManager/SysManager.csproj
The resulting SysManager.exe lands in publish/ and runs standalone on any
Windows 10 / 11 x64 machine.
First-time flow
Launch the app — it opens on the Dashboard.
Go to Network and press Start — live ping begins.
For anything in Windows Update, Cleanup (SFC/DISM), or system-wide App
updates, click the yellow "Run as Administrator" banner when it appears.
The app relaunches elevated.
Documentation
ARCHITECTURE.md — project structure and key design decisions
TESTING.md — how the test suite is organised and run
Found something broken? Missing a feature you'd love to have?
🐛 Bugs — open an issue
using the bug report template.
💡 Features — open an issue
using the feature request template.
💬 Questions and how-to's — use
Discussions instead
of issues for anything open-ended.
🔒 Security vulnerabilities — please report privately via the
Security tab.
See SECURITY.md for the full policy.
The About tab inside the app has a "Copy environment info" helper that
dumps your SysManager version, Windows build, CPU, RAM, GPU, storage, display,
and elevation state in a format ready to paste into a bug report.
Tech stack
.NET 10 (WPF, C# 14)
CommunityToolkit.Mvvm for MVVM plumbing
Microsoft.Extensions.DependencyInjection for IoC
WPF-UI (lepoco/wpfui) for Fluent Design theme and controls
LiveCharts2 for the real-time latency chart
H.NotifyIcon.Wpf for system tray integration
LibreHardwareMonitor and NvAPIWrapper for CPU/GPU/disk temperature sensors
Serilog for structured logging
xUnit, NSubstitute, and FlaUI for unit, integration, and UI-automation tests
Privacy
SysManager runs entirely on your machine. It does not phone home, does not
collect telemetry, and does not require an account. Network features only
contact the hosts you explicitly configure (ping targets, speed-test servers,
Windows Update / winget endpoints).
Contributing
PRs welcome! Please read CONTRIBUTING.md for the build
setup, coding conventions, and pull-request workflow. New contributors are
expected to follow the Code of Conduct.
Support
SysManager is free and open source, built by one person in their spare time.
If it saved you a reinstall or a clean-up headache, you can back its development:
Sponsorships go toward a code-signing certificate, so Windows stops warning on
first launch, plus the build pipeline and time to fix bugs and finish the tools
that are still half-built. The app stays free either way.
