Becoming a citizen in most European countries is a matter of 5 years of living there. The process is straightforward. Here is an example for France: https://en.

Becoming a citizen in most European countries is a matter of 5 years of living there. The process is straightforward. Here is an example for France: https://en.wikipedia.org/wiki/French_nationality_law#French_citizenship_by_naturalization https://en.wikipedia.org/wiki/French_nationality_law#French_...