高速下载中，感谢楼主提醒！
Download the Windows Developer Preview nowThe Windows Developer Preview is a pre-beta version of Windows 8 for developers. These downloads include prerelease software that may change without notice. The software is provided as is, and you bear the risk of using it. It may not be stable, operate correctly or work the way the final version of the software will. It should not be used in a production environment. The features and functionality in the prerelease software may not appear in the final version. Some product features and functionality may require advanced or additional hardware, or installation of other software.
Windows Developer Preview with developer tools English, 64-bit (x64)DOWNLOAD (4.8 GB)
All of the following come on a disk image file (.iso). See below for installation instructions.
64-bit Windows Developer Preview
Windows SDK for Metro style apps
Microsoft Visual Studio 11 Express for Windows Developer Preview
Microsoft Expression Blend 5 Developer Preview
28 Metro style apps including the BUILD Conference app
Windows Developer Preview English, 64-bit (x64)DOWNLOAD (3.6 GB)
Includes a disk image file (.iso) to install the Windows Developer Preview and Metro style apps on a 32-bit PC.
Live ConnectSign up for the Live Connect technical preview.
Live Connect provides developers a set of controls and APIs that enable applications to integrate Single Sign On (SSO) with Microsoft connected accounts and enable users to access information from SkyDrive, Hotmail, and Messenger.
System RequirementsWindows Developer Preview works great on the same hardware that powers Windows Vista and Windows 7:
1 gigahertz (GHz) or faster 32-bit (x86) or 64-bit (x64) processor
1 gigabyte (GB) RAM (32-bit) or 2 GB RAM (64-bit)
16 GB available hard disk space (32-bit) or 20 GB (64-bit)
DirectX 9 graphics device with WDDM 1.0 or higher driver
Taking advantage of touch input requires a screen that supports multi-touch
