You have the possibility to create users manually one by one.
This way is rather used if :
You create other administrators of the platform
You want to test the solution on a few users.
You don't have many users to create.
To start, go to the Users and List tab:
Click on "New":
Fill in the user's information, chose the role(s) and select a building to assign the user to:
Click on "Finish"
You will find the user in the list of users and you can change or delete it at any time: