A realistic windows xp installer.Doesnt take long to setup.See pictures of the real Windows XP installer and it looks very real! When you see the desktop the only button that works is the Shutdown Windows button. Vocabulary------ Partition: A section of a hard drive. Format: Erases ALL files on a drive and also changes the filesystem so the computer can read it. This doesnt actually format your hard drive,this is just a simulation. Please see my other project , Windows history with sound. PS Press space very fast when it asks you to in the install. PLEASE see this important announcement regarding me and Scratch 2.0 :http://scratch.mit.edu/projects/scratcher-500/3084424 I am moving to scratch 2.0 Here is scratch 2.0s website: beta.scratch.mit.edu