
Microsoft Security Essentials 4.2
Free
Latest version:
4.10.209
See all
Developer:
Microsoft
Microsoft Security Essentials is a program that helps you guard your computer against viruses, spyware and other malicious applications. It provides real-time protection for your home or small business PCs. The program runs quietly and efficiently in the background.
Automatically scan and prevent malware before it’s installed on your computer.
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