This article explains describes how to download the Forticlient VPN manually from the Fortinet website.
Download the Forticlient
Step 1: Go to support.fortinet.com, then login.
Step 2: Go to Support > Firmware Download.
Step 4: Select the directory, In this guide, I’m choosing the Windows directory, and drive to the version which you want to download.
Step 5: Select HTTPS to download the file.
Download the Forticlient Remove tool
Step 1: Login to the Support Portal at support.fortinet.com.
Step 2: Go to Download > Firmware Images.
Step 3: Select FortiClient as a product and browse to the appropriate version (For example FortiClient/Windows/v7.00/7.0.6/).
Step 4: Download FortiClientTools.
Step 5: Inside the archive, find the FCRemove utility. FortiClientTools_7.0.6.0290\SupportUtils\FCRemove.exe