How to change Visual Studio 2012,2013 or 2015 License Key?

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I had the same problem and wanted to change the product key to another. Unfortunate it’s not as easy as it was on VS2010.

The following steps work:

  • Remove the registry key containing the license information:
    HKEY_CLASSES_ROOT\Licenses\77550D6B-6352-4E77-9DA3-537419DF564B

  • If you can’t find the key, use sysinternals ProcessMonitor to check the registry access of VS2012 to locate the correct key which is always in HKEY_CLASSES_ROOT\Licenses

  • After you remove this key, VS2012 will tell you that it’s license information is incorrect. Go to “Programs and features” and repair VS2012.

  • After the repair, VS2012 is reverted to a 30 day trial and you can enter a new product key. This could also be used to stay in a trial version loop and never enter a producy key.

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