Is a free download for home computers running on the Windows operating system. This software helps protect your computer from viruses, spyware, and other malware. Windows Defender is built into Windows Vista and Windows 7 and it’s available as a free download for Windows XP. Windows Defender helps protect your computer from spyware and some other potentially unwanted software, but it will not protect against viruses.

In other words, Windows Defender only protects against a subset of known malicious software but Microsoft Security Essentials protects against ALL known malicious software. If you have Windows Vista or Windows 7 and you install Microsoft Security Essentials, the installation process will automatically disable (but not uninstall) Windows Defender. If you are using Windows XP and you download and install Windows Defender and in addition you want to install Microsoft Security Essentials, you will see a warning to uninstall Windows Defender before completing the installation for Microsoft Security Essentials.

Microsoft Security Essentials provides real-time protection for your home PC that guards against viruses, spyware, and other malicious software. Microsoft Security Essentials is a free app that is easy to install, with a simple user interface. The app is periodically kept up to date so you can be assured your PC is protected by the latest technology. Bridge Commander Maximum Warp Edition.

The graphical interface informs you when your PC is secure; when you're green, you're good. It's that simple. Microsoft Security Essentials runs quietly and efficiently in the background so that you are free to use your PC the way you want - without any interruptions or long computer wait times.

Microsoft Security Essentials (MSE) - Windows XP/Vista/7. If you cannot find Microsoft Security Essentials on your Windows computer or you run other. Oct 02, 2017 Microsoft Security Essentials. It provides free* real-time protection for your home or small business PCs.   Windows Vista.