Staff computers should already have the GlobalProtect VPN software installed.  If you need to install it on your Mac computer. See the following Knowledge Base page for instructions:

WiscVPN - Installing and Connecting the GlobalProtect Client (Mac)

https://kb.wisc.edu/73116

• Click the GlobalProtect icon on the (top right) menu bar.  

• If it’s not already there, enter the following Portal Address: uwmadison.vpn.wisc.edu

Note:  The GlobalProtect icon looks like a light grey earth globe when its not connected.

• Click the Connect button in the GlobalProtect window.

• Enter your UW Madison NetID credentials, then click the Sign In button.

• GlobalProtect should show the following message, when properly connected:

Note:  The GlobalProtect icon looks like a darker grey earth globe, with a shield, when it is connected.

Also See:

Accessing your SMPH Windows desktop when you are away from the office from a Mac
https://confluence.med.wisc.edu/x/QYK2AQ