Helps guard your PC against viruses, spyware, and other malicious software

Microsoft Security Essentials (64-bit)

Microsoft Security Essentials 1.0.1959 (64-bit)

  -  7.18 MB  -  Freeware

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of Microsoft Security Essentials 1.0.1959 (64-bit).


For those interested in downloading the most recent release of Microsoft Security Essentials (64-bit) or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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  • Microsoft Security Essentials 1.0.1959 (64-bit) Screenshots

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    Microsoft Security Essentials 1.0.1959 (64-bit) Screenshot 1
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