Windows SP1 SP2 for Windows VISTA Service Pack 1 and Service Pack 2 for Windows Vista Both 32 Bit and 64 Bit Versions "NEW" Version 2.5 Easiest way to update your Vista system to Service Pack 2 These are Genuine Service Packs from Microsoft put into a convenient custom CD This is not a Windows Vista Installation CD, You must have Vista already installed. A "Must Have" for protection against the latest viruses, hackers, and worms. Install Service Pack 2 directly from the CD. Includes Windows Firewall, Pop-up Blocker and the Windows Security Center. Install on all your Windows Vista computers and as many of times as you like. When reinstalling windows Vista, this CD will save you hours of work. Be more secure. Browse the internet safely. Helps prevent infection form viruses, hackers, and worms. Software and Updates Included Service Pack 1 32 Bit Service Pack 2 32 Bit Internet Explorer 9 32 Bit FoxIt Reader v5 Service Pack 1 64 Bit Service Pack 2 64 Bit Internet Explorer 9 64 Bit Foto Sketcher CD/DVD Burner v4.3.8 FireFox Games Blackjack Video Poker Roulette PacMan Checkout my feedback to see what previous buyers are saying Thank You for looking! This is not a Windows Vista Installation CD suprem