Just bought an iPhone for the first time, what and what do I need to setup please…a lot of things here are still confusing.

Have a read of the iPhone User Guide.

"Everything you need to know about iPhone".

If your eyes start to glaze over at the thought of reading manuals at least take a look at the chapter called Basics - accessed through the Table of Contents link.

Apple offers free workshops for a variety of subjects known as Today at Apple.

▷ Skills: Getting Started with iPhone - Apple. 

Hello, when you are setting up the iPhone make sure you follow all the steps. To get your apps working you are going to need an Apple ID, that I assume you have since your in apple support communities.