The goal here is to install MS-DOS 6.22 as your primary operating system. If you are running this on your computer you will erase your HD and OS and MS-DOS 6.22 will be your only OS. Your data will be lost as a result, so I would advice doing this on an old computer and not your main computer.

1. Insert MS-DOS 6.22 into your computer
2. fdisk and delete all patisions
3. format C: /s
4. go to setup
5. let it run