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Microsoft Security Essentials

Package of security programs that helps protect Windows operating systems

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Avast Free Antivirus 18.1.2326

Free program to help protect a user's devices from viruses

Avira Free Antivirus 14.0.7.306

Freeware that aggressively fights viruses, malware and spyware

Kaspersky Internet Security 18.0.0.405

Award-winning protection that can be used on multiple devices

Norton Antivirus 2014 21.1.0.18

The stalwart among software titles that protect against malicious files

Panda Free Antivirus 18.0.0

Small-footprint protection from malicious files for your PC

360 Total Security 7.6.0.1031

Antivirus software that contains five antivirus engines