Microsoft Security Essentials
- At a glance
- System requirements
Microsoft Security Essentials
Guard your PC with a no-cost download for Windows that helps protect against viruses and costly security problems. Get real-time protection without it interrupting your tasks, so you can work without pop-ups or poor system performance slowing you down. Microsoft Security Essentials also makes sure that you have the latest technology protecting your PC to help prevent viruses from accessing or damaging valuable information.
- Browse confidently: Help protect up to 10 PCs with the same core technology, backed by the world-class Microsoft Security Response Center.
- Download and forget with no expiration, trial period, registration, or renewals.
- Get advanced protection against viruses, malware, spyware, and phishing attacks.
- Run the software without hassle with simple setup, easy-to-use interface, and automatic updates.
- Avoid expensive fixes by helping prevent problems caused by viruses and malicious software.
Minimum system requirements for Microsoft Security Essentials:
- Operating System: Windows XP Service Pack 3 (SP3)*; Windows Vista (Service Pack 1, or Service Pack 2)*; Windows 7*
- For Windows XP, a PC with a CPU clock speed of 500 MHz or higher, and 256 MB RAM or higher.
- For Windows Vista and Windows 7, a PC with a CPU clock speed of 1.0 GHz or higher, and 1 GB RAM or higher.
- VGA display of 800 × 600 or higher.
- 200 MB of available hard disk space.
- An Internet connection is required for installation and to download the latest virus and spyware definitions for Microsoft Security Essentials.
- Internet Browser:
- Windows Internet Explorer 6.0 or later.
- Mozilla Firefox 2.0 or later.
- Microsoft Security Essentials also supports Windows XP Mode in Windows 7. For more information see the system requirements for Windows XP Mode in Windows 7.
- *Your PC must run genuine Windows to install Microsoft Security Essentials. Learn more about genuine Windows.
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