Locate the Windows or macOS standalone installer. For Windows deployment, look for files ending in .msi or the complete standalone .exe bundle, rather than the "OnlineInstaller" file. Method 2: Extracting from the FortiClient Configurator Tool
A: Yes. It is recommended that you manually uninstall the old version first, reboot, and then run the 6.4 offline installer to avoid configuration registry conflicts. forticlientvpnonlineinstaller-6.4 offline installer
Ensure target machines have the Microsoft Visual C++ Redistributable packages updated, as missing runtimes can halt offline installations. Locate the Windows or macOS standalone installer
: Navigate through the folders: Windows > v6.00 > 6.4 > 6.4.x (choose the latest patch). It is recommended that you manually uninstall the
Downloading the file once and distributing it internally.
Using an offline installer resolves these issues by bundling all necessary installation assets into a single, self-contained package. How to Get the Official FortiClient 6.4 Offline Installer
When searching for the file, look for the exact filename pattern: FCT_6.4.0_xxx_F_setup.exe or FortiClientSetup_6.4.x_x64.exe . The absence of "online" in the filename indicates it is the full offline installer.