微软已经启动了Windows开发者版本的下载，这是一个被命名为pre-beta的版本，用于展示功能之用，并非稳定版，所以不建议将其使用在生产环境中。遗憾的是部分功能已经被屏蔽，因此我们无法看到像发布会中那么完整的体验：

Windows Developer Preview with developer tools English, 64-bit (x64) )

点击下载 Download(4.8 GB)

注：此版本是带开发者工具的Win8 64位版本，一般请下载后面2个ISO   
Sha 1 hash - 6FE9352FB59F6D0789AF35D1001BD4E4E81E42AF  
All of the following come on a disk p_w_picpath file (.iso). See below for installation instructions.

    64-bit Windows Developer PreviewWindows SDK for Metro style appsMicrosoft Visual Studio 11 Express for Windows Developer PreviewMicrosoft Expression Blend 5 Developer Preview28 Metro style apps including the BUILD Conference app

Windows Developer Preview English, 64-bit (x64)

点击下载   Download (3.6 GB)

注：此版本是不带开发者工具的Win8 64位版本  
Sha 1 hash – 79DBF235FD49F5C1C8F8C04E24BDE6E1D04DA1E9

Includes a disk p_w_picpath file (.iso) to install the Windows Developer Preview and Metro style apps on a 64-bit PC. q64k7 
Windows Developer Preview English, 32-bit (x86)

点击下载 Download (2.8 GB) 注：此版本是不带开发者工具的Win8 32位版本  
Sha 1 hash - 4E0698BBABE01ED27582C9FC16AD21C4422913CC

Includes a disk p_w_picpath file (.iso) to install the Windows Developer Preview and Metro style apps on a 32-bit PC.

微软官方:Download the Windows Developer Preview now