Remote Assistance Support from Microsoft allows a Microsoft support professional in another location to view your computer screen and work on your computer over a secure connection.
Microsoft Support uses the Enterprise version of LogMeIn Rescue as the primary Remote Desktop Assistance tool to troubleshoot and resolve customer issues. LogMeIn (LMI) Rescue is a 3rd party remote assistance product that is currently used to provide remote support to Microsoft customers.
Get started at support.microsoft.com.