How to add a directory of language in WordPress?

Hello.

How to add prepisku /EN/ in the url site.com/ru/ plugins multilingual do not offer, they are not suitable. I tried to install the EP in the EN folder, but when entering the main page of the site opens the directory to select a folder.
April 3rd 20 at 18:28
1 answer
April 3rd 20 at 18:30
1). You this for what it is?
2). The website how many languages?
3). Tried the plugin WMPL?
Multilingual plugins are not suitable, because the url of posts for each language you need to translate, but I need the url of the posts in all languages was the same.
Therefore, pre-want to define the language in the url /EN/ until I find a normal solution. At the moment the site will be in 1 language, Russian. - Antwan commented on April 3rd 20 at 18:33

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