Microsoft Download Center Archive
 | Security Update for Windows 8.1 for x64-based Systems (KB2920189) |
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 |
|---|---|
 Windows8.1-KB2920189-x64.msuSHA1: c24ed9942fc5620f15e4ff8e397bf3bd14b898fc | 190 KB |
| Windows8.1-KB2975061-x64.msu SHA1: 35b3da12199f60004746fb886991ff0691407bfe | 10.25 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 8.1
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.
- Repeat this process until all of the following KBs have been installed: KB2975061, KB2920189