In order to link another Bitdefender Central account with your Bitdefender 2017 product, you will have to follow these instructions:
1. Click on the Account icon on the left sidebar of the Bitdefender interface.
2. Click the SWITCH ACCOUNT button to change the account linked to the computer.
3. Type the e-mail address and the password of your account in the corresponding fields, then click SIGN IN.
NOTE: The Bitdefender product from your device automatically changes according to the subscription associated to the new Bitdefender account.