Microsoft Quick Assist Instructions
Solve PC problems over a remote connection
Quick Assist is a new app in Windows 10 that enables you to receive or provide assistance over a remote connection. We encourage you to try Quick Assist for a more streamlined, easy-to-use experience.
Open Quick Assist
Select Start > Quick Assist.
Select Start > Quick Assist (or select the Start button, type Quick Assist in the search box, then select it in the results). In the Code from assistant box, enter the 6-digit code you were given, and select Share sceen. Wait for your helper, then select Allow in the window that displays.
Official link: https://support.microsoft.com/en-us/windows/solve-pc-problems-over-a-remote-connection-b077e31a-16f4-2529-1a47-21f6a9040bf3