One of the ways of coming to France long-term is getting a long-term student visa with language schools in France.
In this video, I am talking about 3 language schools and the procedure for the visa.
CCFS Sorbonne https://www.ccfs-sorbonne.fr/trouver-un-cours/french-courses/language-lessons-en/francais-general-conferences/?lang=en
Campus Langues https://campuslangues.com/en/programme/french/student-20h-programme
Alliance Francaise https://www.alliancefr.org/en/courses/general-french-courses/course-20h-week
Feel free to ask anything related to the topic!