Vista Service Pack 1 released

Microsoft's massive, delayed OS update finally available for download

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By  Quintin Smith Published  March 19, 2008

After months of delays and technical issues, Vista Service Pack 1 is finally available for download from

The auto-update feature of Vista PCs will begin downloading the service pack next month, while retailers should start receiving SP1 in boxed copies of Vista from this week.

Microsoft have recommended Vista users acquire SP1 using Vista’s update feature, which reduces the download from 450MB to 65MB for Vista 32 bit, and from 745MB to 125MB for Vista 64 bit.

SP1 consists largely of bug fixes and performance tweaks designed to make using the OS a smoother, faster experience. It also marginally reduces power consumption by both allowing a PC’s processor to return to its sleep state more frequently, and by fixing an issue which caused hard drives to remain spinning when they should spin down.

The full release notes for Vista SP1 are available on Microsoft’s website.

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