: Check how many licenses are included. Some plans only cover a single PC, while others, like Avira Prime , can cover up to 25 devices under one account.

: Look for providers that consistently score high in independent lab tests. High detection ensures the software can stop "zero-day" threats (brand-new viruses).

: Some antivirus software can slow down your computer during scans. Bitdefender is widely recognized for having one of the lightest footprints on system resources.

According to expert testing from PCMag and All About Cookies , the following programs are the current industry leaders:

When deciding which one to buy, consider how these top-tier options compare in their core offerings: Norton 360 Bitdefender Avira Prime Exceptional Exceptional System Impact Primary Advantage Best bundled features (Cloud, VPN) Best "set it and forget it" mode Best value for multiple platforms Unique Add-on Identity Theft Protection Advanced Ransomware Remediation System Speed-up Tools Essential Buying Criteria