Thank you for your interest in Microsoft Windows Update version 5 Preview program. This site previews the next version of Windows Update. Before proceeding, please read the following information carefully.

Warning and Notice Windows Update version 5 includes pre-release software and a pre-release update service. They are provided for testing purposes only and technical support is not available. Use of them is subject to the Terms of Use, and software is subject to any license agreement provided in connection with it. Microsoft intends to offer the updates available on the Windows Update version 4 site on the Windows Update version 5 Preview site concurrently. Sometimes updates may not be posted to the Windows Update version 5 Preview site as quickly as they are posted to the Windows Update version 4 site.