1. Download and install the FBX Exporter plugin for Revit.
2. Run Revit and load a model (part or assembly). 
3. There’s a new tab on the ribbon bar named 'ProtoTech FBX Exporter'. 

It contains the following three ribbon buttons. 
A)  Export
      1. After clicking Export, a 'Save As' dialog will display on our screen. You can write the name of the file.
      2. Click the Save button to export the current model to the FBX file.  

B) Preferences
      It contains a set of features in which you can control the different parameters to get the desired output. 

C) About
      It displays information about the product. It provides the facility to activate your product license at any time.

Install:
The installer that ran when you downloaded this app/plug-in from Autodesk App Store, will start installing the app/plug-in.
                                                             OR
Simply double-click the downloaded installer to install the app/plugin.
You may need to restart the Autodesk product to activate the app/plug-in.

Uninstall:
To uninstall this plug-in, exit the Autodesk product if you are currently running it. Simply rerun the installer and select the "Uninstall" button.
                                                                              OR 
You can uninstall it from 'Control Panel/Programs and Features' (Windows 7/8.1/10), just as you would uninstall any other application from your system.

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