1. Start Universal Translator.
2. Select Categories to translate.
3. Check the option for AUTOMATIC TRANSLATION if you want the add-in to translate for you. You have to set the source language and the target language.
4. Also, check UPDATE AFTER TRANSLATION if you want to update the project automatically.
5. If you translated the EXCEL FILE manually you can use the UPDATE button to update the project using the data inside the EXCEL FILE.

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. 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.

Disclaimer:

UNIVERSAL TRANSLATOR is a tool intended to assist with the process of translating a Revit project into other languages, but will not be held responsible for incorrect translations as the user is responsible for verifying them. We recommend using the advice of a professional translator to verify the results given by UNIVERSAL TRANSLATOR to obtain the best results.

Some users behind a Firewall or proxy may have problems activating the add-in. Please follow the instructions on the link to solve proxy problems.

https://forums.autodesk.com/autodesk/attachments/autodesk/78/504135