Do not download "extension updaters" from third-party file sites – they often contain malware for this legacy version.
: Tools for automatic reinforcement, joining elements, and simulation. Roof Truss Generator upd download revit extensions for autodesk revit 2018
Once you have successfully completed the UPD download for Revit Extensions for Autodesk Revit 2018, follow this installation sequence. Do not download "extension updaters" from third-party file
Only download from Autodesk’s official UPD section or a verified Autodesk Authorized Partner. upd download revit extensions for autodesk revit 2018