: Even if not prompted, a reboot is highly recommended to initialize the virtual network drivers. Troubleshooting Common Issues
Look for a newly created folder containing a large .msi file. Copy that file—that is your . Installation Steps
The most secure way to get the offline installer is through the . Log in to fortinet.com. Navigate to Download > Firmware Images . Select FortiClient from the product list. Browse the folder tree: Windows > v6.00 > 6.4 > 6.4.x . forticlientvpnonlineinstaller-6.4 offline installer
To get your setup running without an active internet connection, you generally need the standalone (offline) installer . Most users mistakenly download the "Online Installer" (a tiny 3MB file), which fails if the target machine is offline. Why Use the FortiClient 6.4 Offline Installer?
Look for the file named FortiClientVPNSetup_6.4.x_x64.exe (this is the ~80MB full installer). 2. The "Extractor" Method : Even if not prompted, a reboot is
: This usually means the offline installer file was corrupted during transfer. Verify the file size.
Once you have the offline file (usually around 70MB–100MB): Installation Steps The most secure way to get
: Right-click the .exe or .msi and select "Run as Administrator."