Fortigate 100d Firmware Download | Best !new!

In the same Status widget, click Update next to the Firmware Version.

As of 2026, the 100D has reached end-of-support in many enterprise contexts. However, the best, most stable, and final available firmwares are typically within the . Fortigate 100d Firmware Download BEST

Go to (or Dashboard > Status > Firmware Version depending on your current UI layout). Click Upload Firmware . Browse to your downloaded .out file. Click Backup Config and Upgrade . In the same Status widget, click Update next