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.
Get assistance
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.
Give assistance
Select Start > Quick Assist (or select the Start button, type Quick Assist in the search box, then select it in the results). Select Assist another person, then send the 6-digit code to the person you're helping. When they've entered it, select either Take full control or View screen. Select Continue and wait for the person you're helping to allow the connection.