Security experts and users alike consider a variety of aspects when selecting an antivirus program, apart from its security features. Cost as well as system impact compatibility, usability, and personal opinions regarding a company’s policies can all be important factors that influence the selection of an antivirus program.

Germany-based Avira is a great option for those who require an antivirus suite that provides solid test results and a monthly billing option. The AV program boasts impressive test results across every category and comes with many useful extras including a password manager. Avira’s scans are light in hack the system of any company background effect and aren’t very resource-intensive. The speed at which the full scan can be completed is reduced by 53%. This is among our most significant results.

It’s hard to pick the top free AV software because the top choices come with a few disadvantages. For instance, Kaspersky’s strong background effect can cause slowdowns that can reach 53%, while Avast’s full-scan slowdown is only slightly less at 44 percent. Bitdefender offers an excellent free version, as well as an effective subscription AV service that has excellent independent testing lab scores. The features it offers are extensive and includes the VPN, which helps it stand out from the competition.

F-Secure is the best-rated paid antivirus program. McAfee Total Protection and Trend Micro Internet Security are also highly rated. While Microsoft Defender, which is built right into Windows 10 and 11, has a comparatively light post-installation background effects at 9 percent, it’s prone to heavy slowdowns during full system scans.