$45.30Bitdefender Internet Security Date Released September 27, 2014 12:00 am Operating System Windows 7::Windows 8::Windows Vista::Windows XP Description Best Protection for 3 Straight Years. Best Security of 2014, PC MAG. Imperceptible. Fastest System Speed. Confirmed by AV-TEST. Easy to Use. Simple to Understand. Handle Security with a Single Click. Prevent Unauthorized Access to your Private Data. Two-Way Firewall. Keep your Kids Safe. Monitor Their Activity. Discrete Parental Control.