Windows 10 Game Bar

General

Start or stop broadcasting

Win + Alt + B

All hotkeys for Windows 10 Game Bar

General
Open Game bar when a game is open

Win + G

General
Record the last 30 seconds

Win + Alt + G

General
Start or stop recording

Win + Alt + R

General
Take a screenshot of your game

Win + Alt + Print Screen

General
Show or hide recording timer

Win + Alt + T

General
Turn the microphone on or off

Win + Alt + M

General
Start or stop broadcasting

Win + Alt + B

General
Show camera during broadcast

Win + Alt + W

Similar combinations for other applications