I recently started to use 86box and PCem to emulate old machines, made a build with DOS, Windows 95 and even a 120 mhz Pentium running Windows 98 to play Broken Sword.
Then I researched what a good PC from late 1993 could look like, to have the most authentic experience running the first version of Doom (0.99) that was uploaded to an FTP run at the University of Wisconsin-Madison on December 10, 1993. This is the machine I ended with:
This would be almost top of