Download and double-click the file to create a BIOS update disk. You will require one 3.5" 1.44 MB floppy diskette. Restart with the diskette in the A: drive to start the BIOS update.
Depending on your configuration you may need to force the computer to start from the bootdisk. You can do this by repeatedly pressing F8 when you see the Packard Bell logo at startup.