There have also been cases where users have tried to install a 32-bit program that worked on some Windows 10 machines but failed to install on other Windows 10 machines, or on all Windows 11, and ...

When you run a DOS program on a 32-bit Windows 10 OS, you will receive a popup to install NTVDM. If we talk about 64-bit Windows 11/10 OS, you cannot run DOS programs.

If your version of Windows is 64-bit, you're able to install both 32-bit and 64-bit software programs, so there are two different "Program Files" folders on your computer.

How you install a program from an ISO image will vary depending on which version of Windows you use. Here’s how to install it in Windows 10 and 11.