How to setup WiFi on Mac OS
Download The Fortinet Certificate from the link below,
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Navigate to your downloads folder and double click the Fortinet Certificate.
Keychain Access will open, it will ask for your password or fingerprint to add the certificate into your Keychain. Depending on OS age, it may ask for a location, select ‘System’ if prompted. (An Admin Account Password is required to add to System Keychain, if the Admin Account isn’t known, Select ‘Login’).
Using the Search Box, Search FG to locate the certificate and double click it.
A new Window will open, Expand the ‘Trust’ Drop down, and Ensure ‘Always Trust’ Is selected for ‘When Using This Certificate’.
Close the window, you will be prompted to enter your password or fingerprint depending on the device.
The Certificate is now added to your device.
Now simply connect to the WiFi using your username and password