Hook (Lead) Boot up and step back into 2001: the blue panoramic hill, the Start button’s warm glow, the plucky startup sound. The Windows XP Online Simulator recreates not just the interface, but the social rituals — configuring dial-up, customizing wallpapers, running classic utilities, and trading virtual stickers with friends — while adding modern conveniences like cloud-backed profiles and safe, sandboxed “programs” that run fully in-browser. It’s nostalgia you can actually use.