Warning: This site requires the use of scripts, which your browser does not currently allow.See how to enable scripts.

Software
Categories
- - Compatibility
  - Converting files
  - Viewing files
  - IT Pro compatability tools
- - Drivers
  - Drivers
- - Media
  - Media Players
  - Media add-ons
  - IT Pro media tools
  - Developer media tools
Security
Support
- - Product support
  - Microsoft Support home
  - Updates & service packs
  - Knowledge base
- - Documentation
  - Product documentation
  - How-to tutorials
  - Upgrading
- - Download Center resources
  - Notifications
  - FAQ
  - RSS feeds
Shop
- - Microsoft Store

Security updates & tools

Filter options

Product category

Operating system

Download type

Top picks

Microsoft Update

Check for the latest security updates to help protect your computer.

Get started›

Microsoft Security Essentials

Protect your PC from viruses, spyware, and other malicious software.

Download now›

Download security tools

Assess vulnerabilities and strengthen security with a broad range of tools.

Get started›

91 - 120 of 10046 results

Sort by:

decorative icon	product name, link and description	price and details
Security Patch	Security Update for Windows Server 2008 R2 x64 Edition (KB2845690) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows 7 (KB2839229) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows 8 (KB2839894) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows 8 for x64-based Systems (KB2845690) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows Vista (KB2839894) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows Embedded Standard 7 (KB2839894) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows Server 2008 R2 for Itanium-based Systems (KB2845690) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows Server 2012 (KB2839894) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows 7 for x64-based Systems (KB2845690) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows Embedded Standard 7 (KB2845690) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows 7 (KB2839894) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows Server 2012 (KB2845690) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows Server 2008 for Itanium-based Systems (KB2839894) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows 7 (KB2845690) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows 8 (KB2839229) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows Vista (KB2839229) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows Embedded Standard 7 for x64-based Systems (KB2839894) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows Server 2003 (KB2839229) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows Server 2008 R2 for Itanium-based Systems (KB2839894) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows Server 2008 (KB2839229) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows Server 2008 R2 x64 Edition (KB2839894) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows Server 2008 x64 Edition (KB2845690) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows Server 2008 x64 Edition (KB2839894) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows Server 2008 for Itanium-based Systems (KB2845690) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows 7 for x64-based Systems (KB2839894) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows Server 2008 (KB2839894) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows 8 for x64-based Systems (KB2839894) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows Vista for x64-based Systems (KB2839894) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	Security Update for Windows Vista for x64-based Systems (KB2845690) A security issue has been identified in a Microsoft software product that could affect your system.	FREE Release Date: 6/10/2013
Security Patch	February 2013 Security Release ISO Image This DVD5 ISO image file contains the security updates for Windows released on Windows Update on February 12, 2013.	FREE Release Date: 2/11/2013

- Windows downloads
- All Windows products
- Internet Explorer
- Windows Phone
- Office downloads
- All Office products
- Office clip art & templates

- Security
- Security updates & tools
- Virus & malware
- Microsoft Update
- Download categories
- All downloads
- Drivers
- Service packs

United States

This site in other countries/regions: