Understanding the development environment
To begin developing applications for Windows Phone 7 devices, you will first need to download and install some development tools for the same. You can find the Windows Phone Developer Tools at
http://www.microsoft.com/downloads/en/details.aspx?FamilyID=04704acf-a63a-4f97-952c-8b51b34b00ce. The package installed from the App Hub includes everything you need to start developing for Windows Phone 7 including Visual Studio 2010 Express, Microsoft Expression Blend and Windows Phone Emulator among other tools. It is also recommended to download and install the Windows Phone Developer Tools January 2011 Update from
http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=23854 after installing the Windows Phone Developer Tools.
