You will also need a USB OBD adapter. The suggested model from FORScan is the ScanTool OBDLink EX.
Please read thru this doc for the specific files affected.
Also, make sure you read the FORScan programming guide on their forum as firmware programming can be risky.
Updating Sync 3 APIM Firmware Using FORScan 2.4.x Release - Ford / Guides - CyanLabs Official Community