With a simple step by step process, you can easily do the Bitdefender setup activation. A very competent antivirus software, Bitdefender offers complete security against online threats. You can protect one or many devices with a single Bitdefender license. But of course, it depends on your purchased subscription. After you have completed the setup activation, you can download the product via your central Bitdefender account and install it on your computer to enjoy the protection.