How to add IFC parameters to an existing Revit file.

1. Open IFC Parameter Upgrade.rvt file.  
2. From sheet "IFC - Copy/Paste" select the shown schedule.
3. Go to the edit menu and select Copy to Clipboard or "Ctrl+C".
4. Switch to your Revit file.  Paste "Ctrl+V" the schedule into a Drawing Sheet.
5. Delete the schedule from the Drawing Sheet.
6. Delete the schedule "IFC Parameters" in the Project Browser under Schedules/Quantities.

The new parameters will now be included in your original file.
