自昨天开始发规模推送Mango，今天又看到Windows Phone SDK 7.1 RTM可以下载了，大家可以去Microsoft Download Center下载了。
The Windows Phone SDK includes the following
Supported Operating Systems: Windows 7, Windows Vista
The Windows Phone SDK 7.1 is compatible with the final version of Visual Studio 2010 SP1.
If a pre-release version of the Windows Phone SDK 7.1 (Beta or RC) is installed on the machine, please uninstall it before installing this product. Click on the vm_web2.exe file in the download section above. This will start the installation of Windows Phone SDK 7.1 and install necessary components on your computer. Please refer to the Release Notes in the download section above for additional details before running setup. Note: this release is also available in .iso format. Choose one of the following options for handling downloaded ISO images:
For more information about these options, see "What are ISO image files and how do I use them?" on the FAQ page.