Microsoft Windows Defender
Microsoft Windows Defender free download. Always available from Download.com servers
- Free and fast download
- Always available
- Tested virus-free
Not for your OS. Looking for [platform] version?
Alternatives to Microsoft Windows Defender
Malwarebytes
Trial versionCrush cyberthreats and shield vulnerable systems with all-new proactive device, data, and privacy protection.
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SuperAntiSpyware Free Edition
FreeSuperAntiSpyware Free Edition - Secure your PC
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Spybot - Search & Destroy Portable
FreeSearch your hard disk and Registry for threats to your security and privacy.
WindowsTrend Micro HijackThis
FreeScan your Registry and hard drive for spyware.
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Laws concerning the use of this software vary from country to country. We do not encourage or condone the use of this program if it is in violation of these laws.