I want to be able to change my URL when I switch languages on my site. For example, if I switch to Arabic, I want the URL to reflect that change.
How do you want the URL to be structured?
There are a few different options such as subdirectories, subdomains, or language params.
More details can be found here - Wix Multilingual: Editing Your Multilingual Site's URL Structure | Help Center | Wix.com