If you don’t want to install demo content with any reason, and you want to have the same pages like on the live demo, please do the following.
Go to Dashboard -> Pages -> Add New, and Select Page Layout for your page.

- Page with Right Sidebar – Default page Template with a sidebar on the right side.
- Page with Left Sidebar – Default page Template with a sidebar on the left side.
- Page with No Sidebar (Full Width) – 100% Fullwidth template without a sidebar.