Protecting your PC from online threats such as malware and viruses is crucial, and betting your online security on software that doesn’t work efficiently, is a waste of time.
Secure your devices with award-winning cybersecurity technology.
Maximize your PC's security and performance with top-notch digital threat detection.
Keep secure with groundbreaking AI detection and prevention technology.
Browse the web securely for up to 3 devices across Windows, Mac, iOS or Android systems.
Best security tool for intense browsing activity.
Microsoft Security Essentials system requirements
- Operating System: Windows Vista (Service Pack 1 or Service Pack 2), Windows 7
- CPU: 1.0 GHz clock speed or higher
- Memory: 1 GB RAM or higher
- Disk Space: 200 MB
- Internet connection: needed to install and download the latest virus and spyware databases
- Internet Browser:
- Windows Internet Explorer 6.0 or later.
- Mozilla Firefox 2.0 or later.