15 user is the limits ?

How can i get more than 15 user ?

Sorry for my english

@“Francis et Crystel” said:
How can i get more than 15 user ?

You cannot. I believe this is by design because the 15 people(managed users & managed friends) get all the benefits from your PlexPass.

You should only add users to your Home, who are living in the same household with you.
All others should be added as mere Friends. (up to 100)
https://support.plex.tv/articles/categories/cloud-services/server-sharing/

Here is more on PlexHome and the consequences.
https://support.plex.tv/articles/203960236-consequences-of-being-in-a-plex-home/