Advantages: a perfect cool feature Windows 7 compared to lower versions, Professional Edition can achieve all Aero effects, support for touch operation, enhanced Media player, as well as better security measures. 2, add data fields if your computer often need to be added to the data domain network, the best choice for Professional or Ultimate. Because these two versions of the system provides a complete and robust data exchange capabilities. 3, network backup drive each version of Windows 7 can automatically back up and restore the system, but the professional version can be in the network, and even backup files are stored remotely control the computer for backup. 4, remote control only in the professional version of the above system, the user can make a good remote control and information and communication to other computers. 5, offline synchronization Professional Edition built-in "file synchronization" function can be selected in the offline file synchronization to other computers, set up after a good synchronization, the system will connect the computer to the network automatically transferred to synchronize files. 6, XP mode in Windows 7 XP mode can be described as a major innovation, provide full licensed version of XP Professional virtual system in more than one system. The crowd: business support, office of choice for people on the security business office environments have high demands to the system reliable and safe.