NitTray is a free, open-source Windows app for adjusting the brightness of
Apple's Studio Display and Pro Display XDR without a Mac.
Supported Displays
- Apple Studio Display (1st & 2nd generation)
- Apple Studio Display XDR
- Apple Pro Display XDR
Connect the display to your PC with a USB-C or Thunderbolt cable.
Download
Download the latest release:
| Architecture | Download |
|---|
| x64 — for most Windows PCs |  |
| Arm64 — for Windows on ARM(Snapdragon X, Surface Pro X, and similar) |  |
> [!NOTE]
> NitTray is code-signed. However, because it is a new application and has not yet
> established a Microsoft SmartScreen reputation, Windows may display a
> "Windows protected your PC" message the first time you launch it. Select
> More info, then Run anyway.
Build from Source
The src/app/README.md explains NitTray's USB/HID communication, display detection process, and how to build the application from source.
License
NitTray is licensed under the terms described in LICENSE.
For Pro Display XDR driver setup, NitTray includes libwdi, which is licensed under LGPLv3/GPLv3. Additional bundled components and their licenses are listed in THIRD-PARTY-NOTICES.md.
Support
NitTray is free and developed in my spare time. If you find it useful, please consider supporting its continued development:
Buy me a coffee ☕
Trademarks
Apple, Studio Display, Pro Display XDR, Mac, and macOS are trademarks of Apple
Inc. NitTray is an independent, unofficial project and is not affiliated with,
endorsed by, or sponsored by Apple Inc. Product names are used only to describe
the hardware NitTray works with.