Manage Branding, Folder creation and outsider access

[Rathindra Das]

How I will be able to use all the above works mentioned in the title

[Nic Brough -Adaptavist-]

We can't tell you a lot more than "use Confluence as it is intended".  It's got a system of storage and maintenance for managing information in spaces and pages, and access control for your users, whether "outsider" or not.