You whippersnappers won't remember this, but back in the olden days there was once a version of Windows called 3.1. It was unstable, plain-looking, clunky, virtually feature free, and we liked it. Want to know what it was like without actually loading it up on a real PC? Just go to this website, and there it is in all (well, some of) its glory.
Noticeably missing? One of our main pursuits back in 1991, Solitaire.