You can install a new WordPress theme without having any technical knowledge. It"s so easy and automated.
1. Login to your WordPress admin dashboard.
2. Under the dashboard menu, hover your mouse on "Appearance"� and then click on "Themes".
3. Click on "Add New"�.
4. In Add themes page, you can search for a theme or browse the themes from "Featured"�, "Popular"�, "Latest"� options. If you hover your mouse over any themes, you will be presented with two options - "Activate"� and "Live Preview"�.
5. Hover your mouse on any theme you like and then click on "Install"�.
6. A newly installed theme will show you the "Activate"� option. Click it!
Congratulations, you have installed and activated a new theme on your blog.