地区 
1. 创建一个Steam账户。
2.点击左下角"添加游戏"标签，选择"在Steam上激活产品"并输入密钥
OS: Windows XP SP 3/Windows VISTA SP 2/Windows 7/Windows 8/Windows 10 (32 or 64bit)
Processor: AMD/Intel Dual-Core 2.4 GHz
Memory: 1024 MB RAM
Graphics: 512 MB DirectX 9.0c compatible card with shader model 3.0
DirectX: Version 9.0c
Storage: 9 GB available space
Sound Card: DirectX 9.0c compatible
Additional Notes: Nvidia GeForce 8800 / AMD Radeon HD 3870 or better. Other cards may work, but are not explicitly supported.
0.96 - 您会从此次购买中获得的现金返还是
