Download Microsoft Security Essentials
As any other Microsoft application, Microsoft Security Essentials comes with a very well designed interface and accessible for anybody who wants to use it.
The best characteristic about this software is its lightness; it was specially made to protect your computer without consuming your system resources and let your computer work as free as possible. However, it will give you a high quality performance like any other, using its powerful and effective tools.
In less than 5 minutes you will be able to install this program in your computer and start with the security process. As well as with the installation, it will scan your computer in matter of seconds.