Enable a Second Account for RDP
A second Windows account can be allowed to sign in over Remote Desktop without making it an administrator. The account needs permission on the host, a usable password, and a Windows edition that can accept incoming RDP connections. Adding it does not provide a second simultaneous desktop: Windows 11 client editions are designed for one interactive session at a time. Quick answer On the Windows 11 PC that will receive the connection, open Settings > System > Remote Desktop > Remote Desktop users, select Add, enter the second account, and confirm it. Or run Add-LocalGroupMember -Group “Remote Desktop Users” -Member “$env:COMPUTERNAME\rdpuser” in an elevated PowerShell window, replacing rdpuser with the local account name. The account must have a password. This grants that account permission to use the existing RDP session; it does not enable two users to work in separate sessions at once. ...