By default, your local computer intercepts system-wide shortcuts like and the Windows key . To send these to the remote host instead:

Or make it do nothing only when Moonlight is running.

If your mouse isn't properly captured after Alt-Tabbing between two Moonlight windows, try Alt-Tabbing to an intermediate non-Moonlight window first.

If Alt-Tabbing causes a black screen or significant lag, ensure both your host and client resolutions match exactly and that Scale and Layout is set to 100% in Windows display settings.

; Disable Alt+Tab completely !Tab::Return

Once enabled, you must use Ctrl+Alt+Shift+Q to quit or release the cursor, as standard shortcuts will no longer affect your local PC. Alternative Shortcuts & Workarounds

Mastering the function in Moonlight Game Streaming is the key to seamlessly switching between your game and other applications on your host PC . By default, your local computer (the client) might intercept this command, but with the right settings, you can control your remote machine as if you were sitting right in front of it. How to Enable Alt+Tab for the Host PC

To enable Alt Tab in Moonlight, follow these steps: