Where I can download bitdefender ts 2012?

Hi guys, I have a Desktop computer with internet connection so I need antivirus. Can you tell me from where I can download bitdefender ts 2012? I want Pro version not for trail and I want to buy it online. I want the payment system should be PayPal. Please send me the download link with state forward simple instruction. My Computer Operating System Windows 7 (64-bit).
