1) Firstly goto [Bitdefender 6 Months free license offer page]
[Bitdefender Mobile / Tablet Security]
2) Enter your email and captcha.
3) That’s it you will get the free license key with in 48 hours.
4) Also you will get full process and download link in email from bitdefender.
Terms & Conditions:-
1) License key valid for 6 months only.
2) license key valid for a limited time only.