Windows Vista Ultimate is the most premium of the six editions of Windows Vista, an operating system released by Microsoft in 2006. It includes all features of the Home Premium and Enterprise editions, as well as access to optional Windows Ultimate Extras. Windows Vista Ultimate supports up to two physical CPUs, and the 64-bit version supports up to 128 GB of RAM.

"Windows Vista Product Red" gadgets
Microsoft released two special variants of Windows Vista Ultimate:
- Signature Edition, which featured a unique production number alongside the signature of Bill Gates on the front of the packaging and was limited to 25,000 copies.
- Product Red, which was produced as part of the Product Red program, with a portion of sales supporting The Global Fund to Fight AIDS, Tuberculosis and Malaria. It came with an additional desktop theme.
Features[]
- Windows Defender and Windows Firewall
- BitLocker Drive Encryption
- Internet Explorer 7
- Windows Aero GUI and Flip 3D
- Windows Mobility Center
- Windows Meeting Space
- Windows Media Player
- Windows Media Center
- Windows Backup file protection
- Windows Remote Desktop
- Windows Ultimate Extras, exclusive to Windows Vista Ultimate
- Windows DreamScene video desktop
- BitLocker enhancement tools
- Hold 'Em and Microsoft Tinker games
- Multilingual User Interface language packs
- Windows sound schemes
- Group Shot (unreleased)
Pricing[]
Windows Vista Ultimate is the most expensive version of Windows Vista. The prices are the following:
- New/Upgrade
- US$ - 399.00 / 259.00
- CA$ - 499.00 / 299.00
- GB£ - 369.99 / 249.99
- € - 599.00 / 299.00
- AU$ - 751.00 / 495.00
- KR₩ - 597,000 / 393,000
- HK$ - 3339.00 / 2196.00
- SG$ - 664.76 / 445.71
- MYR - 1516.00 / 933.00
- NZ$ - 998.00 / 648.00
- JP¥ - 51,240 / 33,390
- R$ - 989.00 / 769.00