Please I want to open a new Apple ID but not going through … why ?

This article explains how to create a new Apple ID (create an Apple Account) --> How to create a new Apple ID - Apple Support

If you see a 'Could Not Create Apple ID' or 'Could Not Set Up iCloud' message, read this article --> If you see a Could Not Create Apple ID or Could Not Set Up iCloud message - Apple Support

What is the exact wording of the error message? That often indicates the exact problem and solution.