It was running Vista when I bought it, then upgraded to Win 7, and now runs whatever flavor of Linux I feel like installing.
Battery is shot. Screen connection is iffy, but works if you wiggle it. Several keys stopped working after I accidentally threw up on it, but I can use an onscreen keyboard for those.
I was pulling an all-nighter reading fan fiction serials while drinking Kraken mixed with Orange Juice and had also eaten a whole frozen pizza around midnight. I was not ok. The incident happened around 3am.
First time I'd ever vomited while drunk. I know my limits better now.