Step 1 - Set your password
You will be provided with a username, however, you will need to reset your password by following the link.
Step 2 - Install Forticlient VPN software
Please visit this site to access the installers for the device you are using. There are installers for Windows PC and MacOS. Mobile device installers are also available via the respective device stores.
Step 3 - Using FortiClient VPN
Please see these articles for the device you are using
iOS/Android FortiClient settings