1. First create a document library where these documents will be uploaded to be translated.
  2. Then create a document library where the translated documents will be saved afterwards
  3. Create a flow and put a name .
  4. The trigger is going to be when a file is created in a folder in Sharepoint
  5. Point it to the first source document library
  6. Next add the Microsoft Translator action to translate text
  7. The source should be the file content in step 5.
  8. Select a destination language
  9. Now, select the action to create a file. The folder should be your destination library.
  10. Use the file content as the translated content.