You really don't. Updates during the creation was based on released versions. So the update for dos 6.00 was dos 6.2 then dos 6.22. Last MS dos was version 8 in sept 14, 2000.
Essentially Reinstall the operating system. Delete your c:\DOS folder. Boot of the diskette or CD with the new version and run the installer. Optionally you should be able to just run the installer from the command line and overwrite the folder with the newer version
it dos it by its self
The factors of 622 are 1, 2, 311, 622
Divide by 622.
622
equivalent fractions of 622 = 622/1, 1244/2, 1866/3, ...
1285 + 622 = 1907
1, 2, 311, 622
622 = seiscientos veintidos
622 / 2 = 311
72
311
622 = 2 x 311