Your thread title and posts don't make much sense @RachidD6149.
What does "Giving an increase of five gigas" mean?
You'll need to explain more clearly and in more detail exactly what you're asking about.
E.g. what are you trying to do, what steps are you taking to do or, what happens or goes wrong, any error messages, etc.?
If you need to contact 48 support about this then see the links in my signature below.
