* This popular full-color guide is not only $5 less than the current edition, but it is now revised to cover Service Pack 2 changes to Windows XP, including new or updated tutorials on Windows Firewall, Media Player, MovieMaker, popup blocker, and more * Step-by-step instructions, hundreds of full-color screen shots, and essential task coverage make this the ideal reference for beginning-to-intermediate visual learners * Windows accounts for more than 90 percent of the OS market