excerpt:

After several months of testing, Microsoft Update has gone live. Microsoft Update unifies patching for Windows and Office, providing performance and security updates to customers through Microsoft's "Update Services" platform.

The advent of Microsoft Update was first announced by Microsoft Chairman and Chief Software Architect Bill Gates during his keynote address delivered at the RSA 2005 conference in February.

Microsoft Update is located at update.microsoft.com. Windows Update and Office Update will remain open for an indefinite period of time while users are transitioned to Microsoft Update.

Full story: Betanews