See below what they included in New Bitdefender 2015 and what they improved.

• Integration with windows 8.1 and better GUI.
• New Bitdefender 2015 is at present compatible with Touch devices too. User interface is more easy then its preceding versions. Nowadays it can be used on touch friendly windows devices such as tablets.
• New Bitdefender Widget: With this widget on desktop you can notice what bitdefender is doing as it modify its color and symbol for different situations. However if it irritating you then have the choice to disable it. You enable or disable it as per your want.
• Bitdefnder 2015 operates silently when set to autopilot mode. It will not demonstrate any notification or permit / deny type of message every time. In autopilot mode it takes the decision automatically.
• External media will be scanned automatically to defend from any malware. Now your computer will be safeguarded from the malware transferred from USB drives or any outside device.
• Scanning speed is quicker. Bitdefender enhanced its performance greatly at present it scan faster and take less system resources.
• You can also get the Bitdefender coupon code.
• New and hot characteristic of the new 2015 version is the Tuneup utilities: Duplicate finder, registry cleaner, one click optimizer, startup optimizer, disk defragmenter, pc clean up, registry recovery etc. One Click optimizer optimizes your system by running all the optimizer tools listed over and keep your system just new always. It will not get slow down.
• Bitdefender enhanced its features which are already incorporated in its products like Antitheft, Safepay, Parental control, Safego, Safebox, Wallet, etc.
• Added new Movies, Work, and Games Profiles.
• Additional new Startup Optimizer.
• Added One click optimizer
• Get the codes here https://bitdefenderpromocode.com/