Microsoft Quickassist
There are a lot of options available to do remote support. In that case, you try to help them over a phone call, but you know that it would be better if you were actually in front of the system. However, if you are aware, with a hidden feature of Windows 10 you can use to help them remotely as well. Quick Assist is an inbuilt app in Windows 10 witch allows you to troubleshoot the PC problem remotely. To help remotely, you only need an active Internet connection.