Microsoft released Windows Vista Service Pack 2 on Tuesday May 26th, 2009. The Service Pack 2 is for Windows Vista and Windows Server 2008, 32-bit and 64-bit version.
It is now available through Windows Update or Microsoft Download Center.
Windows Vista, 32-bit versions Five Language Standalone package for English, French, German, Japanese, or Spanish (Traditional) | 348.3MB
Download the Windows Vista Service Pack 2 Five Language Standalone (KB948465) package now.Windows Vista, 64-bit versions Five Language Standalone package for English, French, German, Japanese, or Spanish (Traditional) | 577.4MB
Download the Windows Vista Service Pack 2 Five Language Standalone for x64-based Systems (KB948465) package now.
Microsoft recommends users to download and install Service Pack 2 for Windows Vista and Windows Server 2008.