Update for Windows Vista for x64-based Systems (KB973917)
Install this update to help strengthen authentication credentials in specific scenarios.
- Install this update to help strengthen authentication credentials in specific scenarios. After you install this item, you may have to restart your computer.
This download is no longer available on microsoft.com. The downloads below are archives provided by the Internet Archive Wayback Machine from the Microsoft Download Center prior to August 2020.
Operating Systems: Windows Vista, Windows Vista 64-bit Editions Service Pack 1, Windows Vista Service Pack 2
- To start the download, click the Download button and then do one of the following, or select another language from Change Language and then click Change.
- Click Run to start the installation immediately.
- Click Save to copy the download to your computer for installation at a later time.