Microsoft Security Essentials (32-bit)

4.0 out of 5 stars 4.0 (212 votes)


Windows 7/Vista/XP / Freeware / 143,885 downloads

Microsoft Security Essentials provides real-time protection for your home PC that guards against viruses, spyware, and other malicious software. It is a free download from Microsoft that is simple to install, easy to use, and always kept up to date so you can be assured your PC is protected by the latest technology. It’s easy to tell if your PC is secure — when you’re green, you’re good. It’s that simple.

Microsoft Security Essentials runs quietly and efficiently in the background so that you are free to use your Windows-based PC the way you want—without interruptions or long computer wait times.

Reviews of Microsoft Security Essentials (32-bit)

  1. 2 out of 5 stars

    Reviewing 4.7.0202.0 Pre-Release (Jan 9, 2015)

    Please note this application does NOT run under Windows XP.

  2. 3 out of 5 stars

    Reviewing 4.7.0202.0 Pre-Release (Dec 15, 2014)

    Maybe I'm losing my memory these days. But I thought I read earlier this year they were discontinuing this.

  3. 2 out of 5 stars

    Reviewing 4.6.305.0 (Nov 17, 2014)

    Poor detection and removal. Slows your computer down far too much as it scans every program you open

  4. 1 out of 5 stars

    Reviewing 4.6.305.0 (Sep 21, 2014)

  5. 1 out of 5 stars

    Reviewing 4.6.0302.0 Pre-Release (Aug 23, 2014)

    Poor detection of malware/viruses/trojans !

Discuss Microsoft Security Essentials (32-bit)

  1. Sep 30, 2009 - 11:36 AM

    How do you download a version other than the one appropriate to the O/S you're currently running?

    Answer: Click on the "Locales & Languages" link just below the big "Download Now" button at

    For United States (English), there are 3 versions available:

    Windows XP 32-bit
    Windows 7/Vista 32-bit
    Windowns 7/Vista 64-bit

  2. Sep 29, 2009 - 10:19 PM
    The MAZZTer

    Download links to English XP 32-bit version.

    To download versions for other OSs (Vista/7 32/64bit) or locales, use the "Homepage" link and click the big Download Now button in your face.