Hello Chiriac Vasile,
WebUI Test Studio Developer edition requires Visual Studio Professional as a minimum. It also works with Visual Studio Premium and Visual Studio Ultimate. It works as a plug-in for all three. It does not work with Visual Studio Test Professional because that version only supports manual testing and test case management.
We also have the WebUI Test Studio QA edition, which works as a standalone product not requiring Visual Studio at all.
Is there anything else I can help you with?
All the best,
the Telerik team
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