Download Vista Sp1

I just read that effective tomorrow, Amazon Inc will start shipping boxed copies of Microsoft Windows Vista Service Pack 1.
As far as the process to download Vista Sp1, a while ago Microsoft officials have mentioned that Vista sp1 will be available for download via Microsoft Update as an optional update by mid March , and will be posted as an update to be automatically downloaded via Windows Update by mid April.

Long awaited Vista SP1, includes security and functionality enhancements as well as bug fixes. Performance of Vista is also said to be enhanced in Sp1.

Here are the download links:

Vista SP1 32 bit – 434.5 MB

Vista SP1 64 bit – 726.5 MB