If you do not have a floppy drive, you can extract the IMG files to a folder on your hard drive and run SETUP from that folder in a pure DOS environment.

This forces DOS to load its own kernel and drivers into the Upper Memory Area (UMA), freeing up conventional memory for applications. Accessing the Windows 9x GUI

Bringing the Past Back to Life: The MS-DOS 7.10 "Fixed" ISO Guide

A "fixed" ISO usually refers to a repacked version where the boot image has been repaired, ensuring it boots reliably on modern virtualization software (like VirtualBox or VMware) and physical hardware alike. It creates a "Live CD" environment, allowing you to boot into DOS with tools immediately available.

Never download a DOS ISO from a random file‑sharing site or a torrent. Those copies are frequently corrupted, may contain malware, and you could be infringing copyright.

The initial community releases of the MS-DOS 7.10 installer CD contained several bugs, including script errors during the setup wizard, broken path references, and lock-ups on specific CPU architectures. The resolves these installation script loops, updates memory managers like HIMEM.SYS and EMM386.exe for better stability, and ensures clean driver integration for CD-ROM drives and sound cards. Where to Safely Download the ISO

You can find the MS-DOS 7.10 ISO on major archival and preservation sites:

It sounds like you’re looking for a or working copy of the MS-DOS 7.10 ISO. A few important clarifications first:

Compared to the final standalone retail version (MS-DOS 6.22), version 7.10 introduced several critical enhancements: