If you want to change layout of page, please change page template. It is WordPress basic feature.
After that, please preview the page.
What do you want me to share?
Can you share its preview.
You should change page template to create a new page layout.
On creating a new page- page attributes on right sidebar, there is option of fancy package - 4 column, 2 column. We want to know about its page preview. Where we use it?