Thank you for showing your interest in Windows 10. I will certainly help you with this. Yes Remote Desktop connection in Windows 10 will work to connect to Windows XP if and only if it is of professional edition. Hope this information is helpful. Please feel free to reply in case you face any other issues with Windows in future. A Remote Desktop Session Host server is the server that hosts Windows-based programs or the full Windows desktop for Remote Desktop Services clients. Users can connect to an RD Session Host server to run programs, to save files, and to use network resources on that server.
Windows Remote Assistance lets someone you trust take over your PC and fix a problem from wherever they are.
Before you can use it, you'll need to enable access. In the search box on the taskbar, type remote assistance, and then select Allow Remote Assistance invitations to be sent from this computer from the list of results. Then, on the Remote tab, select the Allow Remote Assistance connections to this computer check box, and then select OK.
Windows Remote Assistance lets someone you trust take over your PC and fix a problem from wherever they are. Before you can use it, you'll need to enable access. In the search box on the taskbar, type remote assistance, and then select Allow Remote Assistance invitations to be sent from this computer from the list of results.
Windows Xp Remote Desktop
To get help:
In the search box on the taskbar, type remote assistance again and select Invite someone to connect to your PC and help you, or offer to help someone else.
Select Invite someone you trust to help you.
Do one of the following: If you've never used Easy Connect, select Use Easy Connect. If you've used Easy Connect before, select your helper’s contact name. To invite someone who isn't on your contact list, select Invite someone to help you.
Follow the instructions.

To give help if someone has requested it:
Go to the search box and enter remote assistance, then select Invite someone to connect to your PC and help you, or offer to help someone else.
Select Help someone who has invited you.
Do one of the following: If you’re using Easy Connect for the first time, select Use Easy Connect. Or, if you’ve used Easy Connect before, select the contact name of the person you want to help. To help someone not on the list, tap or click Help someone new.
Follow the instructions.
Windows Xp Remote Desktop Connection
You can also use Quick Assist to give and receive remote assistance.
