Open Security essentials by clicking the Security Essentials ’castle’ logo in the corner of your screen and choosing Open
The castle logo will be:
- Green - when your computer is protected
- Yellow - if your computer is potentially unprotected
- Red - indicated that your computer is at risk
Click to select the Update tab
Press the Update button and Security Essentials will go online and check for updates. It will immediately start to download any it finds. At this stage you can close Security Essentials and the update will continue in the background.
Once the download has finished, Security Essentials will automatically install the updates