Browse the list for the specific extension you need and click . Method 2: Via the Autodesk Desktop App / Autodesk Access
I can provide targeted troubleshooting steps or alternative workflows based on your setup. Share public link Download Revit Extensions for Autodesk Revit 2018
Locate the downloaded .exe or .msi file, right-click it, and select Run as Administrator . Browse the list for the specific extension you
Ensure the plugin specifically lists compatibility with Revit 2018 . Using an extension designed for Revit 2022 in 2018 will not work. Download Revit Extensions for Autodesk Revit 2018