Microsoft confirmed the rumors at the end of the past week that Vista SP1 was going to be made available on March 18, 2008. And the Redmond company met the initially announced delivery schedule which pointed to mid-March ever since February 4, 2008 when the service pack was released to manufacturing. At this point in time x86 and x64 Windows Vista SP1 are both up for grabs either as standalone packages or through Windows Update.

Windows6.0-KB936330-X86-wave0.exe and the Windows6.0-KB936330-X64-wave0.exe downloads weigh in at 434.5 MB and respectivelly 726.5 MB, being tailored to integrate with both 32-bit and 64-bit Vista operating systems. As Microsoft revealed following RTM, only a select few languages are supported in the March release. The standalone version of Vista SP1 can be integrated exclusively with copies of Vista RTM with these language versions: English (US), French, German, Japanese, or Spanish (Traditional).


Downloads:
Windows6.0-KB936330-X86-wave0.exe (Windows Vista SP1 32 bit)
Windows6.0-KB936330-X64-wave0.exe (Windows Vista SP1 64 bit)

You're invited to tell us your opinion about Windows Vista Service Pack. :)