1. Navigate to the following website: https://www.forticlient.com/downloads
2. Scroll down to the bottom, select your operating system, and click Download.
3. Scroll up slightly and click Download for your respective operating system.
4. Depending on your browser, you may be prompted to run the installer from your browser. Otherwise, you will need to locate the installer file from your downloads directory and execute the installer from there.
Windows Example: