Microsoft Security Essentials is a free security app from Microsoft that works with Windows 7. Microsoft Security Essentials is extremely easy to install and get up and running. It provides for automatic updates and three different types of computer scans, including quick, full and customized. Microsoft Security Essentials gives users the option of selecting what type of scan will be performed and scheduling the scan at convenient times for them. Users report that Microsoft Security Essentials is generally unobtrusive in performing its scans. On the downside, Microsoft Security Essentials does not disinfect files and does not come with a firewall.
Free and simple antivirus software from Microsoft
All your devices, all your stuff, all protected