Revit 2025 Content Library Not Installing. Install additional revit content libraries. There was a change in how library content is loaded with the 2021 version of revit.
If either revit 2025 or revit lt 2025 are not installed, the content packs will install the content to the default paths or c:\programdata\autodesk\rvt 2025 or. Templates and family library not installed or missing in revit or revit lt.