Microsoft Security Essential is a Antivirus. It is original anti virus from Microsoft and run only on the Genuine windows. It use very low memory to run and never hang the PC. It is top rated antivirus and never allow virus to come into your PC. After make your window Genuine you can install this antivirus then you have non need to install heavy anti viruses into your PC which can hang your PC because they uses high memory space.
Use Microsoft Security Essentials to guard against viruses, spyware, and other evil software. It provides real-time protection for your home or small business PCs.
