If you are still unsure, here is a quick comparison.

There is no official MS-DOS 7.10 from Microsoft as a standalone product. All downloadable ISOs are “reconstructed” from Windows 98 boot disks and installation media. This affects how you legally obtain it.

Keywords used naturally: Ms Dos 7.10 Iso Download, MS-DOS 7.10 bootable USB, FAT32 DOS, retro gaming DOS, WinWorldPC.