Thank you for contacting us!
The easiest way to migrate your website content from the more complicated URL to the primary location is to use Total Upkeep. This guide from our support center demonstrates how to use Total Upkeep to move your website data from one location to another:
https://www.boldgrid.com/support/total-upkeep/migrate-wordpress/
I also recommend reaching to your hosting provider to see if they offer any tools through their management panel that might further simply the migration process.
Please let us know if you have any additional questions, we are always happy to help!