Best Free Antivirus for Windows 11 2024

This is for schema

1. Microsoft Defender

Microsoft Defender Logo

Developed by Microsoft to protect against viruses, malware, and other security threats. Read Microsoft Defender full review

5
13 Downloads

2. Bitdefender Antivirus Free

Bitdefender Antivirus Free Logo

Free, basic shield against ever-changing cyber threats. Read Bitdefender Antivirus Free full review

4.7
17 Downloads

👍Pros

  • Free! Great for basic protection.
  • Top-rated malware detection.
  • Lightweight, easy to run.

👎Cons

  • Lacks advanced features (firewalls, etc.).
  • Limited support options.
  • Upsells to paid versions frequently.

3. Avira Free Security

Avira Free Security Icon

A free all-in-one suite guarding your PC against online threats, with a bonus VPN. Read Avira Free Security full review

4.5
26 Downloads
By: Avira

👍Pros

  • Free, real-time malware & ransomware protection
  • Basic privacy with browser safety warnings
  • System optimization tools for smoother performance
  • User-friendly interface, easy to navigate

👎Cons

  • Lacks advanced features like email protection & robust firewall
  • Upsells to paid versions can be frequent

4. Kaspersky Free Antivirus

Kaspersky Free Icon

Offers basic protection against common threats for your devices. Read Kaspersky Free Antivirus full review

4.6
22 Downloads

👍Pros

  • Top-notch threat detection
  • Lightweight, minimal performance impact
  • Free!

👎Cons

  • Lacks some features of paid versions (firewalls, etc.)
  • Some privacy concerns (data collection)
  • Might require advanced settings adjustment for some users

5. Malwarebytes

Malwarebytes Logo

Free scanner to nuke malware, premium for real-time protection. Read Malwarebytes full review

4.9
34 Downloads

👍Pros

  • Excellent malware detection
  • Good for catching zero-day threats
  • Free version available for basic scans

👎Cons

  • Paid version needed for real-time protection
  • Can slow down system resources
  • Not a complete replacement for traditional antivirus

All Free Antivirus