The Windows Phone Software Development Kit (SDK) 8.0 provides you with the tools that you need to develop apps and games for Windows Phone 8 and Windows Phone 7.5.
The Windows Phone Software Development Kit (SDK) 7.1 provides you with all of the tools that you need to develop applications and games for both Windows Phone 7.0 and Windows Phone 7.5 devices.
The Windows Phone SDK Update for Windows Phone 7.8 adds two new emulator images to your existing Windows Phone SDK installation. This update supports both the Windows Phone...
Sync music, photos, videos and podcasts from your existing iTunes and iPhoto libraries to your Windows Phone 7
Windows Phone SDK 7.1.1 Update offers developers tools and options to help them develop and test applications for 256-MB Windows Phone devices.
Windows Phone 8 Training Kit includes a comprehensive set of technical content to help you learn how to build applications for Windows Phone.
January 2011 Update to the Windows Phone Developer Tools providing bug fixes, a new emulator, and utilities. This update is composed of two installation files and includes the contents of the deprecated October 2010 Update.
The Windows Phone Store badge provides official branding assets to help you market your Windows Phone app, and help your customers find it.
Advertising SDK for developers who want to monetize their Windows Phone applications.
Hands on Labs for the Windows Phone 8 Developer Platform