How to change my start screen

How can I program a Screen to show up first then the others? Please help me if you can, I'm struggling.

Welcome to the community.

I see you are a new user and have no reading time at all.

In future please do not spam the forum by creating topics with questions that have been answered before. Use the search facility to find an answer. Only create a topic if you have thoroughly searched and not found an answer.

Anyway, check out this topic.