First, try to install WordPress & the theme on your localhost ( how to install wordpress on localhost – video tutorials )

Then, import the dummy data. It should run properly and smoothly on localhost.

After the installation is done, install the plugin called “All in one WP Migration” and begin initiating the migration process ( video example here ).

Then you will need to upload the migration packages and migrate them online, onto your server and follow the installation instructions.

More on this topic here .