How to add arabic in inDesign 2026?

1. Keep your primary version!
2. Go to the CC desktip application.
3. Go to preferences > Applications
4. Scroll down to bottom
5. Change the installation language
6. Install all programs you need in that other language
7. Additional plugins are istalled which will extend the functionality.
8. Change the installation language back to your primary language.

Now will InDesign run in your language but with funcctionality which is needed for the other language. Also additional fonts are installed.