Windows 7 Beta 1 Official Download

Official ISO file
7000.0.081212-1400_client_en-us_Ultimate-GB1CULFRE_EN_DVD.iso
(32 bit, 2.4G, MD5 f9dce6ebd0a63930b44d8ae802b63825)

7000.0.081212-1400_client_en-us_Ultimate-GB1CULXFRE_EN_DVD.ISO
(64 bit, 3.2G, MD5 773fc9cc60338c612af716a2a14f177d)

This beta expire on 2009-08-01
EULA:
"This software will stop running on August 1, 2009.
You may not receive any other notice.
You may not be able to access data used with the software when it stops running."

ref. Windows 7 Beta 開放下載囉！

2009-1-11 Update: 安裝時若沒輸入序號, 可以用 30 天,
輸入啟動序號後(序號可以參考這裡), 可以用到過期日 2008-08-01
cnbeta 可以找到官方的繁體、簡體的中文包 (最下面那個 BT 檔)
Control Panel / Clock, Language an Region / Change display Language
試用的結果, 感覺滿不錯的, 但是我的電腦跑不太動(P4 2.8 Windows 體驗指數 2.0),
應該要雙核等級以上的電腦才跑得比較順.