Thank you for contacting us.
All Telerik Visual Studio Extensions support Visual Studio Professional edition or above. This comes from a technical limitation of the IDE itself.
On the following link you could find documentation on how to use the Telerik Win Phone controls: http://www.telerik.com/help/windows-phone/radcalendar-gettingstarted.html.
All the best,
the Telerik team
Have a suggestion or face a problem - you can use the Ideas & Feedback portal
to submit ideas, feedback and vote for them.