Pc World Best Antivirus Software 2025. Today's best antivirus software true to its name, bitdefender puts a stop to both new and unknown malware, and acts so quickly that you won't even realize you're. Bitdefender total security — best for advanced malware.
We’ve tested and ranked the best free antivirus apps. Choosing the right antivirus software to protect your devices has never been more crucial than it is today.