注册码CD-KEY:
5RP2E-EPH3K-BR3LG-KMGTE-FN8PY
5ZN2F-C6NTT-ZPBWP-L2DWQ-Y4B49
58V2E-CCKCJ-B8VSE-MEW9Y-ACB2K
5ZK2G-79JSD-FFSFD-CF35H-SDF4A
5Z62G-79JDV-79NAM-ZQVEB-ARBWY
5Z62E-79JDV-79NAM-ZGVE6-ARBWY
5ZQ2A-NI239-4F4K7-H9N8Q-VTSYT
5ZQ2B-NI239-4F4K7-H9N8Q-VTSYT
5ZQ2A-NI236-4F4K7-H9N8Q-VTSYT
5ZQ2A-NI236-4F4KY-H9N8Q-VTSYT

系统要求:
Windows 98, Me, 2000 或 XP操作系统
128M内存
1G处理器
1G硬盘空间
宽带网络(建议)

SYSTEM REQUIREMENTS
Windows 98, ME, 2000 or XP 
128 MB RAM 
1GB Mhz processor 
1GB HD space (recommended) 
Broadband Internet connection (recommended but not required) 
(If you are not sure your computer meets these system requirements, please check with your computer manufacturer.)

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After you've started your Steam download from one of the locations listed above, select the option to 'Open' the install program.

Then follow the instructions on your screen.