Note: This gist may be outdated, thanks to all contributors in comments.

adb is the Android CLI tool with which you can interact with your android device, from your PC

You must enable developer mode (tap 7 times on the build version in parameters) and install adb on your PC.

Don't hesitate to read comments, there is useful tips, thanks guys for this !

You've probably stumbled upon this researching how to remove the Xbox Game Bar. This gist includes a few different methods you can try. Please note that some of these first options are probably not be available unless you are running an older version of Windows 10.

(this is no longer an option on any recent Windows 10 build)

1. Press Windows Key or click on the Start menu.
2. Start typing Xbox or Game Bar, until you get the Xbox Game Bar app to appear in the results.
3. Right-click on the app and pick Uninstall. Answer Yes to the prompt, and wait for the process to finish.