Add the Dynamo code as Addin

Hi there , how we can add the Dynamo codes as Add in inside the revit ?

addin Like that

Please try to use all available search tools before asking:
https://forum.dynamobim.com/search?q=revit%20ribbon

Also it could be useful to take 5 minutes to read the guidelines if you did not already:

Look into Dyno.

Have a look to Nonica!