You have to sign into Bitdefender Central to activate your license.
Let's set up your product and create a Bitdefender Central account. It won't take long.
To begin installing your Bitdefender Family Pack 2017 you must follow these simple steps:
1. Click on the "Get started" button or go to central.bitdefender.com
2. Create a Bitdefender Central account or Sign in if you already have one
3. Go to "My Subscriptions"
4. Click on "Activation code" and add this code to activate your product : XXXXXX
5. Go to "My devices" and click the Install Bitdefender button
6. Follow the instructions to install your product on one or more devices