Here is a comprehensive guide on how to change both the and the OCR/Spellcheck Language in the newest version of Nitro PDF Pro. 1. Changing the Interface (Display) Language
Select your desired language from the dropdown menu in the right panel.
If the language options are not showing or changing, consider these troubleshooting steps:
If you are missing supported languages, you may need to use the installer to repair your installation.
your current version of Nitro Pro via the Windows Control Panel.