The following documentation is for people working on Windows.
HPC doesn't run many Windows systems and our Microsoft licensing only allows a small number of users to concurrently use a system. On most of our WIndows systems, the limit is 2.
Click on the start menu and start typing remote desktop
Then selection the Remote Desktop Connection item.
Click on the Connect button and the window you see should be familiar to anyone who has used Windows.
Note: If full screen mode is configured a screen on your desktop will be full consumed. You can turn off full screen mode.