Microsoft Security Essentials is a free antivirus and antispyware software which has been developed by Microsoft to cater to the ever increasing threats of Internet security. It is free and can conveniently downloaded at the following address: http://www.microsoft.com/security_essentials/
In order to install Microsoft Security Essentials, please follow the flowing steps:
1. Click on download button which is located on middle of the homepage as a blue download button.
2. A pop-up screen appears which gives you the folder choice in which you can install the software file of Windows Security Essentials. Choose the desired directory where you would want to install Microsoft Security Essentials software.
4. Once you have checked on all he option that you want e.g. shortcuts and other options, Microsoft Security Essentials will open.
5. You can now scan for any virus or malware that may be located on you PC.
If you are still unsure about the installation then you can view the installation that in located on upper left-hand side of the website.