Best Free Antivirus 2026 — Top Picks Compared
Updated: June 2026 · 4 min read
Completely free antivirus options that still provide solid malware protection. We tested the leading antivirus services to find the best options specifically for free.
Best Antivirus for Free — Quick Comparison
| Antivirus | Rating | Key Spec | More Info | Price |
|---|
| Avast | ★★★★☆8 | Yes | 1-10 devices | Free / $39.99/yr |
| Bitdefender | ★★★★★9.5 | Yes | 1-10 devices | $19.99/yr |
| Malwarebytes | ★★★★☆8.5 | Yes | 1-5 devices | $44.99/yr |
| Kaspersky | ★★★★★9 | Yes | 1-10 devices | $27.99/yr |
| Malwarebytes | ★★★★☆8.5 | Yes | 1-5 devices | $44.99/yr |
1. Avast — Excellent for Antivirus
★★★★☆ 8
Excellent free version. Network security scanner. Free Antivirus pick at Free / $39.99/yr.
Pros
- Excellent free version
- Network security scanner
- Browser cleanup tools
- Large user base
Cons
- Past privacy controversies
- Upsells in free version
Try Avast →
2. Bitdefender — Outstanding for Antivirus
★★★★★ 9.5
Perfect malware detection scores. Light system impact. Best Protection pick at $19.99/yr.
Pros
- Perfect malware detection scores
- Light system impact
- Multi-layer ransomware protection
- VPN included in higher tiers
Cons
- VPN has data cap
- Mac version has fewer features
Try Bitdefender →
3. Malwarebytes — Excellent for Antivirus
★★★★☆ 8.5
Excellent at catching PUPs and adware. Works alongside other antivirus. Second Layer pick at $44.99/yr.
Pros
- Excellent at catching PUPs and adware
- Works alongside other antivirus
- Simple, clean interface
- Browser Guard extension free
Cons
- No real-time protection in free version
- Limited extra features
Try Malwarebytes →
4. Kaspersky — Outstanding for Antivirus
★★★★★ 9
Top-tier malware detection. Extremely feature-rich. Advanced Features pick at $27.99/yr.
Pros
- Top-tier malware detection
- Extremely feature-rich
- Light on system resources
- Good value for features
Cons
- Russian origins (privacy concerns in some regions)
- Free version is limited
Try Kaspersky →
5. Malwarebytes — Excellent for Antivirus
★★★★☆ 8.5
Excellent at catching PUPs and adware. Works alongside other antivirus. Second Layer pick at $44.99/yr.
Pros
- Excellent at catching PUPs and adware
- Works alongside other antivirus
- Simple, clean interface
- Browser Guard extension free
Cons
- No real-time protection in free version
- Limited extra features
Try Malwarebytes →
What to Look For
When choosing a antivirus for free, focus on the features that matter most for this specific use case. Don't overpay for features you won't use, but don't compromise on the essentials.
Related Comparisons
All services on this page offer money-back guarantees. You can try them risk-free to see which fits your needs best.