Most Ford portals now require MFA (Multi-Factor Authentication) to be registered before you can use self-service recovery tools.
The is the unique serial number assigned to a specific version of this calibration data. Think of it as the "part number" for the software installed in your car's computer. Just as a brake pad has a specific part number, the software inside your PCM has a CDSID. ford cdsid lookup
(Requires domain-joined machine with RSAT) ford cdsid lookup