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1. Avast | Download Free Antivirus & VPN | 100% Free & Easy

   https://www.avast.com/en-us/index

   Avast helps you stay safer across everyday digital life: browsing, shopping, banking and staying connected. We protect your devices and personal information ...

2. The Best Antivirus Software We've Tested for 2026 | PCMag

   https://www.pcmag.com/picks/the-best-antivirus-protection

   5 days ago ... Our Top Tested Picks · Bitdefender Antivirus Plus · Norton AntiVirus Plus · McAfee AntiVirus · ESET NOD32 Antivirus · Emsisoft Anti-Malware · G ...

3. Understanding Anti-Virus Software - CISA

   https://www.cisa.gov/news-events/news/understanding-anti-virus-software

   Anti-virus software scans files or your computer's memory for certain patterns that may indicate the presence of malicious software (ie, malware).

4. Antivirus software - Wikipedia

   https://en.wikipedia.org/wiki/Antivirus_software

   Antivirus software (abbreviated to AV software), also known as anti-malware, is software intended to prevent, detect, and remove malware.