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I have a Windows machine, and I'm trying to figure out what version of the Windows Phone 7 SDK is installed on it (and what version a specific project is built with). How can I do this?

Nick Heiner
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2 Answers2

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In the WMAppManifest.xml you can read out what AppPlatformVersion of the SDK you're using.

In %ProgramFiles%\Microsoft SDKs\Windows Phone you can see what versions of the SDK are installed.

And in Control Panel\Programs\Programs and Features you can see the explicit version of the SDK, such as "Windows Phone SDK 7.1 (RC) - ENU" (latest 7.1 developer release)

Claus Jørgensen
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Look at C:\Program Files (x86)\Microsoft SDKs\Windows Phone\ You should have v7.0 and/or 7.1. If you got only one - that's the SDK. If there are two it's most likely 7.1, yet it is possible that someone set to 7.0.

Lukasz Madon
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