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    Microsoft Support

    Security Essentials Download

    Content provided by Microsoft

    Content provided by Microsoft

    Applies to: Windows 7


     

    Protection for your PC

    Windows Defender is built into the latest versions of Windows and helps guard your PC against viruses and other malware.

    For a PC running an older version of Windows 7, you can download Microsoft Security Essentials for the low, low price of free.      

     

    What's included

      Microsoft Security Essentials
    Windows 7
    Windows Defender
    Windows 8,Windows RT, Windows 8.1, Windows RT 8.1, Windows 10

     
    Real-time protection against spyware, viruses, rootkits, and other malicious software

    X 

    X

    Online system scanning and cleaning

    X 

     X 

    Dynamic signature service  

     X

     X

    Offline system scanning and cleaning

     X

     X

    Enhanced protection against rootkits and bootkits  

     X


    Windows Defender for Windows 8, Windows RT, Windows 8.1, Windows RT 8.1, and Windows 10 provides built-in protection against malware. You can't use Microsoft Security Essentials, but you don't need to—Windows Defender is already included and ready to go.

    If you’re looking to protect a PC with an older version of running Windows 7, you can use Microsoft Security Essentials to provide comprehensive malware protection that will help guard against viruses, spyware, and other malicious software. It provides free* real-time protection for your home or small business PCs.

    Microsoft Security Essentials is available in many locales and languages. If it is not available in your preferred language, you can install it in any of the other languages listed here, and it will still work to help protect your PC. 

     
    To download Microsoft Security Essentials 
     
    1. Choose your preferred locale or language from the list thatfollows.
    2. Choose your operating system to begin the download process.

      If you need help finding which version of Windows you're running, see
      Is my PC running the 32-bit or 64-bit version of Windows?
     
    System requirements 
     
    Note
     
    As of April 8, 2014, technical support for Windows XP and Windows XP Mode are no longer available, including updates that help protect your PC. Learn more about Windows XP end of support
     
     LANGUAGE  NATIVE NAME WINDOWS VERSION 
     Bulgarian  Български  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     Chinese (Simplified)  中文 简体  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     Chinese (Traditional)  中文 繁體  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     Croatian  hrvatski  Windows Vista/Windows 7 32-bit  
     Windows Vista/Windows 7 64-bit
     Czech  čeština  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     Danish  dansk  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     Dutch  Nederlands  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     English  English  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     Estonian  eesti  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     Finnish  suomi  Windows Vista/Windows 7 32-bit  
     Windows Vista/Windows 7 64-bit
     French français  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     German Deutsch  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     Greek  Ελληνικά  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     Hungarian  magyar‫  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     Italian  italiano‫  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     Japanese  日本語‫   Windows Vista/Windows 7 32-bit
      Windows Vista/Windows 7 64-bit
     Korean  한국어‫   Windows Vista/Windows 7 32-bit
      Windows Vista/Windows 7 64-bit
     Latvian  latviešu  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     Lithuanian  lietuvių  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     Norwegian (Bokmål)  norsk (bokmål)  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     Polish  Polski  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     Portuguese (Brazil)  Português (Brasil)  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     Portuguese (Portugal)  Portuguese (Portugal)  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     Romanian  română  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     Russian  Русский  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     Serbian (Latin)  srpski  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     Slovak  slovenčina  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     Spanish  Español  Windows Vista/Windows 7 32-bit  
     Windows Vista/Windows 7 64-bit
     Swedish  svenska  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     Thai  ไทย  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     Turkish  Türkçe  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     Ukrainian  Українська  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit
     Vietnamese  Tiếng Việt  Windows Vista/Windows 7 32-bit
     Windows Vista/Windows 7 64-bit

     

    Note: Windows Defender is also available in Windows 7. However, in Windows 7, Defender only provides protection against spyware. In the Windows 8, Windows RT, Windows 8.1, Windows RT 8.1, and Windows 10, Windows Defender provides full malware protection for your PC. Malware consists of viruses, spyware, and other potentially unwanted software.

    * Internet access fees may apply while downloading. |  Microsoft Security Essentials Privacy Statement | Microsoft Security Essentials License Agreement

    Last Updated: Oct 2, 2017
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