
All this makes Microsoft Security Essentials friendly for all sorts of computers-your old PC, your new PC, your laptop, as well as your little netbook.īefore installing Microsoft Security Essentials, we recommend that you uninstall other antivirus software already running on your PC. Scans and updates are scheduled to run when the PC is idle and the software works in a way that your PC is still snappy when you’re using it. Microsoft Security Essentials is efficient and compact.

Microsoft Security Essentials runs quietly and efficiently in the background so you’re free to use your Windows-based PC the way you want-without interruptions or long computer wait times.

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.
