Can I upgrade kentico version 8.2 to 11 (latest) directly? Please provide steps to upgrade. Can I upgrade via Kentico Installation Manager?

There is custom web part selector function inside the field selection for the integer number inside the document types before. How to use that function again. I am developing a web part requiring t...

When importing the old versions marketplace objects... I am able to import them correctly but could not be able to use inside the latest Kentico cms. Is there a way to use the old version supported...