Build an Online Store

I have bought a theme and install wordpress, but when I install demo data by instruction, it can not success. It always stay at its page for many hours, can not success, see attached for details. My web site need sell online. I need someone help me fix the issue and help me setting all the processing of order, like woocommerce plugin, checkout etc. Ensure my customers can order from my website. The theme I bought live view as below: [login to view URL] I need setting as same as that.