Microsoft Download Center Archive
 | Security Update for Windows 7 for x64-based Systems (KB3063858) |
A security issue has been identified in a Microsoft software product that could affect your system.
- A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system.
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Files
 | Status: LiveThis download is still available on microsoft.com. The downloads below will come directly from the Microsoft Download Center. |
| File | Size |
|---|---|
 Windows6.1-KB3063858-x64.msuSHA1: 4ffeb8f40849fda81188e3aad055a30fd9972bd5 | 1.70 MB |
File sizes and hashes are retrieved from the Wayback Machine’s indexes. They may not match the latest versions of files hosted on Microsoft servers.
System Requirements
Operating Systems: Windows 7 Service Pack 1
Installation Instructions
- 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.