Which one is better for MS-DOS and old Windows 9x games?
DOSBox for DOS games. It's easier to put it working, doesn't need disk images and it needs less resources than PCem.
PCem for Windows 9x. It will be slower and will need extra steps to install your games, but keep in mind that DOSBox does not (officially) support Windows 9x.
I have traveled across the universe and through the years to find Her.
Sometimes going all the way is just a start...
Both have their uses. So use both
Thread closed because I know how these threads go.
