Before that Windows was pretty much able to emulate DOS environments on its own (for 80-90% of games). The great emulation options is one of the main reason, I've literally migrated my old data from hard drive to hard drive for 20 years. Some of my games were old even when I was a kid.
For the past decade or so, DosBox has been a pretty much flawless option for emulation from Win/Mac/Linux: https://www.dosbox.com/information.php.
Before that Windows was pretty much able to emulate DOS environments on its own (for 80-90% of games). The great emulation options is one of the main reason, I've literally migrated my old data from hard drive to hard drive for 20 years. Some of my games were old even when I was a kid.