Note : Referral link here
How to Get 6 month subscription FREE? :
1. Visit here
2. Click Download now and scroll down and click "I don't use Facebook, Twitter, or LinkedIn!"
3. Enter Email and other basic details and click Give it to me
4. You will receive a code. Now create a new account and click the activation email received in your email.
5. Scroll down and enter the code under "Gift code" option and redeem it
6. Done !!