Best Free Antivirus for Windows 11 2024

This is for schema

1. Microsoft Defender

Microsoft Defender Logo

Built-in Windows shield stopping online nasties. Read Microsoft Defender full review

3.7
27 Downloads

👍Pros

  • Free & Built-in
  • Real-time Defense
  • Always Updated
  • Firewall Shield
  • Simple to Use

👎Cons

  • Limited Features
  • Tech Savvy Needed (Maybe)
  • False Positives Possible

2. Bitdefender Antivirus Free

Bitdefender Antivirus Free Logo

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

3.8
35 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

3.8
49 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
33 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

4.5
46 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