From the website
PC Tools Internet Security Suite offers powerful anti-spyware, anti-virus, firewall and spam protection in one application.
Detects, removes and blocks all types of spyware, adware, viruses, Trojans, worms, keyloggers and other online threats.
FREE friendly support for all customers.
Frequent updates ensure that you are always protected against the latest known threats.
Protection from hackers, intruders and other unauthorized software or network attacks.
Spam filtering for protection against unsolicited email.
Intelligent automatic protection makes it simple to use for novices but configurable enough for expert users.
Read More here
To get a free 1 Year License
1. Go to the promotional Page
2. Enter the details
3. Click Sign Up
4. Check your mail and activate your account
5. You can see the download link and key on the browser (a mail with registration key will be there in your inbox too)