After installation, you can add or remove Revit content using the Add or Remove Features utility. To add content, you must be connected to the Internet so the installer can download the desired content from the Autodesk site.
For more information about Revit content, see Select Content for a Revit Installation.
To add or remove content
When you use the Add or Remove Features utility for Revit, the following paths may update in UserDataCache\Revit.ini:
The next time Revit starts, it copies those paths from UserDataCache\Revit.ini to the user profile version of Revit.ini.