Enable/Disable Microsoft Security Essentials for 32 bit and 64 bit Operating System

Enable/Disable Microsoft Security Essentials for 32 bit and 64 bit Operating System
You can enable or disable through the bellow link , Microsoft Security Essentials Latest Version .
Enable Microsoft Security Essentials from the link of : Ready to Free download
Disable Microsoft Security Essentials from the link of : Disable -Free Download

Related Link
1. Choose Language from Left   and Select Windows Version  from Right than Click Download
2. Windows Service Pack 3 is required to run Microsoft Security Essentials
Before Install Microsoft Security Essentials Need Service Pack 3 
3.Windows Service Pack 3 ISO  Image Link  Windows Service Pack 3 ISO image file