

Definitions will continue to be available for Windows XP until July 15, 2015. Note: *With Windows XP having reached "end of life" on April 8, 2014, Microsoft has stopped providing Microsoft Security Essentials for download for that operating system. You may also be offered updates through Windows Update. Beware of rogue/scam offerings and only download Microsoft Security Essentials from the Microsoft Safety & Security Center.ĭefinition updates for MSE are obtained automatically through the program or downloaded directly from the Microsoft Malware Protection Center (MMPC) Portal. However, your PC must run genuine Windows to install Microsoft Security Essentials. MSE works on Windows 7, Windows Vista and Windows XP *. If your business has more than 10 PCs and, therefore, it is against the license terms to use MSE, consider System Center 2012 Endpoint Protection, described below. Microsoft Security Essentials is free for home users as well as small and medium businesses with up to ten (10) PC's. Microsoft Security Essentials (MSE) is an antivirus, anti-malware, anti-spyware software providing real-time protection for your computer.
