Windows Live

Microsoft Security Essentials

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Microsoft Security Essentials provides real-time protection for your home or small business PC that guards against viruses, spyware, and other malicious software.

Popular downloads

    • 01

      Microsoft Camera Codec Pack (6.3.9721.0)

      The Microsoft Camera Codec Pack enables the viewing of a variety of device-specific file formats. Note: Clicking Download means you agree to the Microsoft service agreement and privacy & cookies statement. Additional details below.

    • 02

      Microsoft Security Essentials

      Microsoft Security Essentials provides real-time protection for your home or small business PC that guards against viruses, spyware, and other malicious software.

    • 03

      Windows Live ID Sign-in Assistant 6.5

      The Windows Live ID Sign-in Assistant 6.5 installs the Windows Live ID online provider for Windows 7. This provider enables linking a Windows Live ID to a Windows 7 user account.

    • 04

      Windows Live Sign-in Assistant

      Makes it easier to share documents, photos, and other files from Windows Live Essentials, and to switch from one Windows Live ID to another in Internet Explorer. Note that clicking “Download” means you agree to the Microsoft service agreement and privacy statement. Additional details below.

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Free PC updates

  • Security patches
  • Software updates
  • Service packs
  • Hardware drivers