Avast Free Antivirus 2016 offers an antivirus and anti-malware protection, along with features you're most likely to need, but would rather not think about - like one-click system checks, and unwanted toolbar removal.
AVG AntiVirus FREE is now part of AVG Protection FREE, a single anti-malware package that lets you protect an UNLIMITED number of Windows and Mac computers, as well as Android phones/tablets, from one easy-to-use dashboard.
Sophos Home protects every Mac and PC in your home from malicious software, inappropriate websites and viruses. It uses the same award-winning technology that IT professionals trust to protect their business systems. Best of all, you can manage security settings for the whole family from any browser.
Virus Removal Tool
In the event that you do get a virus on your work machine, Sophos has you covered with their free virus removal tool.