TrendMicro Internet Security 2017 for 3 PCs for 1 year for free.
Sign up on the action page and confirm your email address then you will get the key and the download links by mail. Apparently, not all email addresses work, it worked for me with my gmail address.
Trend Micro is committed to detecting Internet threats. With Titanium, they also benefit from the award-winning technology that Trend Micro protects some of the world's largest companies. The solution provides easy-to-use protection for all your online activities - for emails, social networking, and Internet browsing.