The Project Administration interface is where project administrators can manage the settings and configurations of their projects. For example, you can change the project's name, select what issue types will be available for the project, and manage a list of components within the project. Only users with the Administer Projects permission for a given project will be able to access this interface.
To access the Project Administration interface use the following steps:
Go to the project browser for the project you want to administer.
Select the Administration tab. If you do not see the tab, then you do not have the necessary permission.
From the Project Administration interface, if you are a JIRA Administrator (such as the user created during installation) you will be able to perform the following key operations:
Update project details, such as project name, description, and avatar
Manage what users see when working on the project, such as issue types, fields, and screens
Control...