Microsoft made available for download a new release of its free anti-virus/anti-malware program for Windows PCs, Microsoft Security Essentials (MSE), on April 24. The MSE 4.0 release is available via ...

Microsoft Security Essentials 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.

Microsoft Security Essentials provides real-time protection for your home or small business PC that guards against viruses, spyware, and other malicious software. Microsoft Security Essentials is a ...