Navigate to the GlobalProtect installation package
In top left corner, click on the download arrow to download the globalprotect_install.zip file to your computer
From your computer's Downloads folder, right click on globalprotect_install.zip, choose Extract All...
Accept the defaults in the Extract Folder window
If prompted with "Windows protected your PC", click on "More info" ,then "Run Anyway"
In the next window that opens up, double-click on globalprotect_install.bat (NOT on GlobalProtect64x.msi)
Once this is done, GlobalProtect Setup Wizard will appear with option to either "Repair GlobalProtect" or "Remove GlobalProtect", choose the "Remove GlobalProtect" option and follow the prompts
Once removed, browse back to the GlobalProtect folder you extracted and double-click on globalprotect_install.bat (NOT on GlobalProtect64x.msi)
Once this is done, an installation window will prompt and you can click "Next" to follow the installation instructions
When prompted for a portal address, enter vpn-connect.northwestern.edu