Overview
What is Microsoft Security Essentials?
Microsoft Security Essentials provides real-time protection for your home PC that...
In depth
A closer look at Microsoft Security Essentials
microsoft security essentials provides real-time protection for your home pc that guards against viruses, spyware, and other malicious software.
Verdict
Should you download Microsoft Security Essentials?
Microsoft Security Essentials runs on
Windows 9X/ME/2K/XP/2003/Windows 10/11
and is available under the
Freeware
license
— the installer is 11.3 MB.
We’ve catalogued it under
Adware, Spyware and Virus Protection.
✓
Verified clean. Every Microsoft Security Essentials build on SoftLookup is scanned for viruses, spyware, adware, trojans and backdoors. We re-test on every update.
Sponsored
At a glance
Microsoft Security Essentials specifications
- Last updated
- May 1, 2026
- License
- Freeware
- Operating system
- Windows 9X/ME/2K/XP/2003/Windows 10/11
- File size
- 11.3 MB
- Price
- Free
- Page views
- 546
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