These support pages should get you started with setup of your new iPad - and the methods of transferring your data from old to new iPad:
Set up your iPhone, iPad or iPod touch – Apple Support
Transfer data from your previous iOS device to your new iPhone, iPad, or iPod touch - Apple Support
Use Quick Start to transfer data to a new iPhone, iPad or iPod touch – Apple Support
The process is straightforward.
You might be interested in the iPad User Guide for iPadOS - this being a frequently overlooked rich resource of information. The User Guide is available as both a downloadable and online version. Here are links to both:
iPad User Guide on Apple Books
iPad User Guide - Apple Support
I hope this information proves to be helpful in resolving any difficulties.