To connect to your Staff PC from a Mac:
Windows Remote Desktop can be installed from the App store and this will allow you to remote into your Staff computer by entering the PC name or IP address
https://itunes.apple.com/gb/app/microsoft-remote-desktop/id715768417?mt=12
Please note: you will need to be on the University Network to connect - either on site or via VPN
and also IT Services will need to have added you to the remote desktop users group on the staff PC running Windows.