In this documentation, we can check how to enable Unicode aliases in Joomla.
1) Login to Joomla admin panel.
2) Go to ‘System’.
3) Click the option ‘Global Configuration’.
4) Go to the tab ‘Site’.
5) Change the ‘Unicode Aliases’ to ‘Yes’ in the ‘SEO Settings’ section.
6) Click the ‘Save’ button.
That is how we can enable Unicode aliases in Joomla.
If you need any further help please reach our support department.