配置需求
O / S: Win XP or later
Processor: P4 3 GHz, Intel Core 2 Due 2 GHz or faster
Memory: 2 GB or more
Hard disk: Up to 10 GB of free space
Video: 256 MB NVIDIA GeForce 8800, ATI X1900 or more advanced
Requires a broadband Internet connection (note: the beta version is not recommended to use a wireless connection)