Kaspersky Free Antivirus Review 2025: Top Free Protection for Windows

Kaspersky Free antivirus is the no-cost version from Kaspersky Lab, a global leader in cybersecurity. Even without premium modules, Kaspersky Free delivers a high level of protection and consistently receives excellent ratings in independent tests.

This program is included in our top 7 best free antivirus solutions for Windows in 2025.

Main Features

• Developer: Kaspersky Lab (Russia)
• Protection level: Uses the same engine as paid versions (among the best according to AV-Test and AV-Comparatives)
• Interface: Fully localized, simple, and user-friendly
• OS support: Windows 10/11, Android (Kaspersky Security Cloud Free)
• Updates: Multiple times per day

Pros and Cons

Pros:

• ✅ Reliable protection against viruses, trojans, and spyware
• ✅ Frequent database updates
• ✅ Completely free with no ads
• ✅ Intuitive, easy-to-use interface

Cons:

• ❌ No extra features (VPN, password manager, parental controls)
• ❌ Best suited for basic protection only

Performance and System Impact

Kaspersky Free runs quickly and stably. On low-end PCs, the load is minimal: background processes don't hog resources, and scans are performed efficiently. In 2025 tests, this antivirus received high marks for its balance of protection and performance.

Additional Features

The free version does not include VPN, parental controls, or password manager. It focuses on core antivirus protection-and does so at the highest level.

Who Is It For?

• Users seeking the best free antivirus for Windows without unnecessary extras
• Owners of home PCs and laptops
• Anyone who values simplicity and reliability

Comparison with Competitors

Unlike Avast Free or AVG Free, Kaspersky Free doesn't offer extra tools (like VPN, firewall, or vulnerability scanner). However, it stands out for being truly free and not bombarding users with ads for paid services. In terms of protection, it matches Bitdefender Free, while its intuitive interface makes it especially convenient for local users.

Conclusion

Kaspersky Free is a reliable, lightweight, and completely free antivirus ideal for most Windows users. It's not loaded with features but delivers impeccable real-time protection-perfect for those who want a simple "set it and forget it" solution.

Compare Kaspersky Free with other top-rated free antivirus programs for 2025