A few days after seeing articles on this site, featuring Windows 95 running in your browser, win95[.]ajf[.]me , came accross articles talking about this one, archive[.]org/details/softwarelibrary_win3_showcase&tab=collection , doing the same with Windows 3.1 & apps. (remove brackets [ ]) [Note: the win3.1 site has now been listed on dealnews where it's gotten 5 stars -- you may want (or need) to wait until tomorrow as they may be getting hammered.]
Another story I didn't feel worth linking to, or even mentioning on its own, Microsoft has a Cortana team working on making this make believe person more realistic. But NOT for the reasons you might think... Cortana emulates a female, & they now want Cortana to get angry, like a real female, when sexually harassed. It's apparently something that happens all too often.