A bare DOS 6.22 install is limited. You need to enhance it:
Run MEMMAKER from the command line to optimize upper memory blocks (UMBs). This frees conventional memory (the first 640KB) for demanding games.
The Ultimate Guide to Downloading and Installing MS-DOS 6.22 ISO download dos 6.22 iso
This article is for educational purposes. The author does not host or directly link to copyrighted software. Verify the legal status of abandonware in your jurisdiction before downloading.
Assuming you are looking to run this OS for educational or nostalgic purposes, here is the standard procedure for getting it running on modern hardware. A bare DOS 6
While primarily known for bootable floppy images, this site also offers a consolidated ISO of DOS 6.22 with supplemental utilities. It is minimalist, fast, and safe.
Microsoft retains the copyright for MS-DOS. It is open-source software, and it has not been released into the public domain. Therefore, downloading MS-DOS 6.22 from a third-party website is technically a copyright violation unless you own an original license. The Ultimate Guide to Downloading and Installing MS-DOS 6
When users search for there is often a technical misunderstanding regarding the distribution format.
Boot with minimal drivers. Use F5 when you see the "Starting MS-DOS" prompt to bypass CONFIG.SYS and AUTOEXEC.BAT.