First, you need to register your portlet as a portal-managed application:
Log in as an administrator.
Click Portlet on the right of the screen. Scroll down to find your portlet in the list and click it.
Scroll up to see the screen below, then click Click here to add into categories.
Select one category (or more), such as Development, then save.
Once a portlet has been added to a category, you can change it as follows:
Click Manage Applications.
Find the category that has your portlet. Here you can unregister it from the category by clicking the icon, or click Hello to edit the default permission.
The default permission takes effect when you add the portlet to a page and do not edit the permission by yourself.
Next, create a page and add the portlet to it. If you need instructions to create a page, see Adding a new page, User guide. The portlet in view mode will be as follows: