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Windows /
Utilities /
Antivirus /
Microsoft Security Essentials /
old versions
Microsoft Security Essentials icon

Microsoft Security Essentials

4.10.209.0
15 reviews
988.2 k downloads

A free antivirus software from Microsoft

Older versions of Microsoft Security Essentials

If you are looking for previous versions of Microsoft Security Essentials for Windows, this is your place: download any of the Microsoft Security Essentials files from Uptodown's version history if you can't install the latest version available. Whether due to incompatibility issues or any other problems, this page will quickly and safely help you find files compatible with Microsoft Security Essentials for Windows architectures. Download virus-free versions of Microsoft Security Essentials and find the most suitable one for your device.
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exe 4.10.209.0 Aug 21, 2023
exe 4.8.204.0 (32-bit) Nov 10, 2015
exe 4.8.204.0 (64-bit) Nov 10, 2015
exe 4.8.204.0 (32-bit) Nov 10, 2015
exe 4.8.204.0 (64-bit) Nov 10, 2015
exe 4.5.0216.0 Apr 14, 2014
exe 4.5.0216.0 (64 bits) Apr 9, 2014
exe 2.1.1116.0 (64 bits) Nov 24, 2011
exe 2.1.1116.0 (64 bits) Nov 24, 2011
exe 2.1.116.0 (64 bits) Jun 16, 2011
exe 1.0.1863.0 Jul 2, 2010