This functionality is available to Administrators only.

1. Finding the node number.

Firstly the page needs to be listed in a menu(Either the main menu or secondary menu. This doesn't have to be permanent).

Structure->Menus->The menu the page is located in.

Then click to edit the menu item.

On this page, the important information that is needed is the node path.

 

2. Making that node the homepage.

Configuration->System->Site Information

Then it you will need to enter the node path found in step one into the default front page box.

Now after saving your home page should have changed.