Forticlientvpnonlineinstaller-6.4 - Offline Installer

Alternatively, check %ProgramData%\Applications\Cache for the .msi version.

This is the hardest part. Fortinet does not make the offline installer easily accessible to the general public. Here is the hierarchy of access: forticlientvpnonlineinstaller-6.4 offline installer

FortiClient VPN Online Installer 6.4: Why You Might Need the Offline Version follow these steps.

Once you have the offline file (usually around 70MB–100MB): forticlientvpnonlineinstaller-6.4 offline installer

“Can’t you just… use the offline version?” she asked.

Once you have acquired the legitimate FortiClient_6.4.x_x64.exe (offline installer), follow these steps.