If you are fresh with WordPress then you need to understand WordPress ecosystem a bit before you start using theme. There are many great tutorials on the subject.
You can start here http://www.creativebloq.com/web-design/wordpress-tutorials-designers-1012990.
Also great read is tutorial written by Robert Mening on https://websitesetup.org/create-blog/. It is very well written and informative tutorial on subject of blogging and setting up your own WordPress site.
We hope this will help you!
We can’t explain everything about basic WordPress usage, but we will help you as we can, and direct you to right places. If you have any questions come to our support forum.