If the issue is a license validation password:

: Specific to version 10 and older, individual FSFonts can be password-protected within the software's preferences. Recovery and Troubleshooting Methods

If you still have access to the old PC but forgot the password, you can retrieve it. Navigate to: C:\Program Files\SAi\FlexiSIGN 10\ Look for a file named license.dat or SAiLicense.db . These files contain the unlock information. Copying them to a new machine sometimes works, but usually fails due to hardware ID mismatch.

Navigate to the section and click Add to enter the specific password provided for your new feature.