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How to uninstall Watt Toolkit on Windows

Watt Toolkit (formerly Steam++) is a network accelerator and utility tool for Steam and other gaming platforms; it does not hold a Steam account or any purchase of its own, so there is nothing to back up before you remove it. This guide covers Watt Toolkit installed from the Microsoft Store (9MTCFHS560NG).

Quit Watt Toolkit first

Quit it from its tray icon or window, then check Task Manager (Ctrl+Shift+Esc) for any Watt Toolkit process still listed before you uninstall.

Remove the app with its own uninstaller

Go to Settings › Apps › Installed apps, find Watt Toolkit, and choose Uninstall. You can also right-click its Start menu tile and choose Uninstall.

If you installed it with winget

winget uninstall --id 9MTCFHS560NG runs the same Store removal Settings › Apps uses.

If Watt Toolkit still starts at sign-in

Watt Toolkit registers a startup task the first time it runs. A normal uninstall removes it along with the package, but if you want to turn it off without removing the app, go to Settings › Apps › Startup and switch the Watt Toolkit entry off there.

Check the result

Run these read-only commands after the uninstall finishes:

Get-AppxPackage | Where-Object Name -like "*WattToolkit*"
Get-StartApps | Where-Object Name -like "*Watt Toolkit*"
winget list --id 9MTCFHS560NG
  • Get-AppxPackage returning no match, after confirming the query succeeded without suppressed errors, means the package is gone; a result means it is still installed.
  • Get-StartApps returning no match, after confirming the query succeeded without suppressed errors, means no Start menu entry remains.
  • A completed winget list query with no match means the package record is gone; a matching row means the uninstall did not finish.

What Mole lists

For Watt Toolkit installed as a Microsoft Store package:

  • The app's row itself covers the package and its own data folder under Packages; Windows removes both together when the package uninstalls, so nothing separate needs ticking.
  • The startup task is a Store app startup entry like any other; it disappears with the package on a normal uninstall.

What this test covered

Tested with Watt Toolkit 3.1.2025.0 installed as a Microsoft Store package. Not verified: any custom acceleration rules you configured inside the app.