Microsoft Security Essentials (MSE) has been released to the public. MSE gives comprehensive real time protection from viruses, spywares and malwares . Virus definitions for MSE will be updated automatically, while you are connected to the Internet.
If you are using MSE on computer that does not have internet connection, you need to download latest virus definitions manually and update MSE to protect from latest threats.
To know you are protected with MSE, a green icon of MSE in the taskbar will be shown with computer status is protected message.
To download latest Virus definitions for Microsoft security Essentials
1.Visit Microsoft Portal page.
2. You can observe the latest definition updates for Microsoft Forefront , MSE and Windows Defender.