Open the official website of Bitdefender for creating a new account. Type the web URL: central.bitdefender.com in the address bar at the top accurately. Before the installation of Bitdefender, it is important to ensure that the user has a Bitdefender antivirus Plus, Bitdefender Internet Security, or Bitdefender Total security subscription in their Central account so that the product which the user installs can retrieve it’s validity from their account.