This article sorts out common Windows Phone 7 Resources for your convenience.
I will update the resources frequently in the future. If you have good resources, please leave a message and I will edit it in this article.
1. Download Tool
Online installation package
Offline installation package (recommended)
Development Kit Update (2010.10)
2. Official Microsoft documents
Windows Phone 7 Chinese Development Center
Msdn Windows Phone Homepage
Microsoft Windows Phone Portal
Microsoft Windows Phone home
Windows Phone newsroom
Windows phoen team blog
Silverlight for Windows Phone
Expression blend 4 for Windows Phone
Windows Phone developer website
Msdn online help documentation
Windows Phone 7 developer training package
Windows Phone 7 developer training kit (Chinese Version)
Sample Code
Windows Phone 7 Jump Start video tutorial (English)
Inside Windows Phone video tutorial (English)
Microsoft Silverlight 4 offline document (Simplified Chinese)
Microsoft Silverlight 4 online help documentation (msdn) (Simplified Chinese)
3. Forum
Msdn Windows Phone 7 Forum (English)
Msdn windows mobile device Forum (Chinese)
Csdn Windows Mobile Forum
Wpmind Forum
4. Common WP7 sites
Wpmind
WP7 fans
! FANR live
Smart machine Network
Codeplex Windows Phone 7
Windows Phone 7-codeproject