Once you have installed our RadControls you could take advantage of the VSExtensions which are distributed together with the Controls. The Extensions give you the opportunity to create, upgrade and configure your RadControls projects in seconds, eliminating the need to set any assembly references, handler/module definitions, tag prefixes, etc. manually. VSExtensions also allow you to convert your existing projects to a Telerik RadControls projects very easy by using the Convert Wizard.
In the following articles you could read more about the VSExtensions:
the Telerik team