Hello I have read there is no need…

I have read there is no need to translate wp-admin/setup-config.php …
I see the stringsString A string is a translatable part of the software. A translation consists of a multitude of localized strings. for this file are included in the POT filePOT file POT files are the template files for PO files. They will have all the translation strings left empty. A POT file is essentially an empty PO file without the translations, with just the original strings..
Just built a new localeLocale Locale = language version, often a combination of a language code and a region code, for instance es_MX denotes Spanish as it’s used in Mexico. A list of all locales supported by WordPress in https://make.wordpress.org/polyglots/teams/ RCRelease Candidate A beta version of software with the potential to be a final product, which is ready to release unless significant bugs emerge. wordpress version to try if it works properly:
I tried to install it but the translation does not appear. strings still displayed in English.