Over the last few days I have been pushing forward on several fronts, and I also published a short YouTube video showing a quick installation flow for MS-DOS 3.30 and Windows 2.10: https://www.youtube.com/watch?v=EyJ-g8DnEoM

Quite a lot of time also went into MS-DOS 5.0 compatibility work, but th...

Over the last few days, I managed to get DOS 5.5 booting correctly. HIMEM.SYS handling is now working as expected and no longer breaks the startup sequence.

I also started testing Windows 2.0/286. The boot process is now successful, but VGA modes still cause display corruption in some cases, and g...