When choosing an antivirus software security experts and users alike look at a myriad of factors in addition to the program's security capabilities. Things like cost impacts on systems usability, compatibility, and personal opinion of the business practices of a company are all crucial aspects which can play a significant role in a person's decision to choose a particular antivirus tool.

Germany-based Avira is a good choice for anyone who needs an antivirus suite that provides solid test results and the option of monthly billing. This antivirus program has impressive scores across all categories. It also comes with a number useful extras such as a password management tool. Avira's scans are light in background effect, and aren't extremely resource-intensive. However, the avastantivirusreview.com/an-online-data-room-with-its-functionality speed drop is quite substantial at 53 percent which is among the heaviest in our tests.

It's a challenge to choose the best free AV program because many of our top choices come with a few disadvantages. For instance, Kaspersky's hefty background effect can cause slowdowns up to 53%, while Avast's full-scan slowdown is only slightly less at 44%. On the other the other hand, Bitdefender has an excellent free version and a robust subscription-based AV service that has superb independent testing lab scores. The features it offers are extensive and includes an VPN that helps it distinguish itself from other competitors.

The top-rated paid antivirus programs include F-Secure, McAfee Total Protection, and Trend Micro Internet Security. While Microsoft Defender, which is integrated into Windows 10 and 11, has a relatively light post-installation background effects at 9%, it's also prone to heavy slowdowns during full system scans.