There are no differences between Azon Simple with other wordpress theme in how to install it. Follow these steps to continue!
1. Login to your dashboard (http://yourdomain.com/wp-admin)
2. Go to Appearance » Themes » Install » Upload
(For fast access, go to yourdomain.com/wp-admin/theme-install.php?tab=upload)
3. Click on install now and wait untill installation process finished, then, Click on Activate
4. You have to register your theme before using it, to make sure you will get notify when there are any updates
Installation process was finished. Now, you can continue to read on how to use and setting this theme.