How do I enter my Bitdefender license key?

To activate Bitdefender Mobile Security & Antivirus, follow these steps:

Subscription is free for the first year and costs $99 a year after that. Bitdefender’s Windows antivirus software works with Windows 7 (with Service Pack 1), Windows 8/8.1 and Windows 10.

Activate a new Bitdefender subscription »

Start using your 30-day free trial by creating a new Bitdefender account . 30-day free trial works only on newly created accounts. If you already have a Bitdefender account with another security solution, you won’t be able to activate on that account.