First, register for the Microsoft Authenticator App. You will need the code produced on the Authenticator app to access the VPN. To register, go here.
Next, register for VPN access. To register, go here.
Here’s a step-by-step guide on how to register, download, and use the Authenticator and VPN. Click Here
If you are already using VPN, make sure you are using a Google Chrome or Firefox web browser.