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Windows Defender
Free built-in protection integrated with Windows 10/11
Microsoft's native Windows Defender provides baseline malware and ransomware protection at no cost, integrated seamlessly into Windows 10 and Windows 11 with regular updates.
| Pricing from | Free |
| Best for | Users seeking minimal-cost protection with zero setup |
| Website | www.microsoft.com/en-us/windows/integrated-security |
Strengths and trade-offs
- Zero cost
- Seamless Windows integration
- Detection rates lag premium solutions
- Limited advanced features
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