XP was 2001, aka 2000 with a few extra features. You could turn off the Fischer-price and turn on extensions with a few clicks. SP3 brought a decent, necessar

XP was 2001, aka 2000 with a few extra features. You could turn off the Fischer-price and turn on extensions with a few clicks. SP3 brought a decent, necessary firewall. Firefox supported it for years afterward. No benefit to go earlier really.