These Windows Vista Service Pack 1 files will update all of the following Windows Vista editions:

• Windows Vista™ Business (both retail and volume license versions)
• Windows Vista™ Business N (both retail and volume license versions)
• Windows Vista™ Enterprise
• Windows Vista™ Home Basic
• Windows Vista™ Home Basic N
• Windows Vista™ Home Premium
• Windows Vista™ Ultimate

In addition, this Windows Vista Service Pack 1 file will update all of the 36 Windows Vista languages: Arabic, Bulgarian, Chinese-Hong Kong SAR, Chinese-Simplified, Chinese-Taiwan, Croatian, Czech, Danish, Dutch, English, Estonian, Finnish, French, German, Greek, Hebrew, Hungarian, Italian, Japanese, Korean, Latvian, Lithuanian, Norwegian, Polish, Portuguese-Brazil, Portuguese-Portugal, Romanian, Russian, Serbian, Slovak, Slovenian, Spanish, Swedish, Thai, Turkish, and Ukrainian.

Windows Vista Service Pack 1 (SP1) is an update to Windows Vista that addresses feedback from our customers. In addition to previously released updates, SP1 contains changes focused on addressing specific reliability and performance issues, supporting new types of hardware, and adding support for several emerging standards. SP1 also addresses some management, deployment, and support challenges.

MSDN Subscribers: Be sure to review things to know before you download Windows Vista SP1 as well as resources for developers.

TechNet Plus Subscribers: Be sure to review things to know before you download Windows Vista SP1 as well as resources for IT professionals.