Steps:

1. Click on the app "Search for Text"
2. Enter the Text you want to search for.
3. Revit will zoom into the text and ask you if you want to continue the search.
4. Press "Yes" to continue the search OR press "No" if you found what you searching for.

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. 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, click Control Panel > Programs > Programs and Features (Windows 7/8.1/10/11) and uninstall as you would any other application from your system.

This tool does not work (search) for linked Revit files yet.