瑞星卡卡安全论坛

http://www.microsoft.com/windows/windows-7/beta-download.aspx
不建议新手去玩，吸烟有害健康:default6:

用户系统信息：Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; TencentTraveler ; InfoPath.2; .NET CLR 1.1.4322; .NET CLR 2.0.50727)

最低配置要求
1 GHz 32-bit or 64-bit processor

1 GB of system memory

16 GB of available disk space

Support for DirectX 9 graphics with 128 MB memory (to enable the Aero theme)

DVD-R/W Drive

Internet access (to download the Beta and get updates)

https://www.microsoft.com/betaexperience/productkeys/win7-32/enus/default.aspx

https://www.microsoft.com/betaexperience/productkeys/win7-64/enus/default.aspx