Multi-lingual site configuration ONLY using the Joomla core

Hi, My site (mono-lingual site) is almost finished; I need to translate it to Frensh, Spanish and Portuguese languages using the Joomla core (not an extension like falang …). I need only the CONFIGURATION (install the languages, create a new mainmenu set to language ALL, duplicate the categories and articles, Create a Language Selector Module…) + My site is built with joomla 3.5 + Small site (4 Cath + 23 articles) + Template Aaika from joomlastar ([login to view URL]) + Extension: SH404SEF + K2 I want the following result: + [login to view URL] (Eng language) + [login to view URL] ( FR language) + [login to view URL] in/es (ESP language) + [login to view URL] ( PT language) Regards