In order to switch the Central account linked to your Bitdefender 2016 product, you will have to follow these steps:
1. Click the icon at the top of the Bitdefender interface and select Account Info from the drop-down menu.
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 Central account.