This tool is located in your cPanel.

You should see your database in the left panel (once inside phpMyAdmin). Expand the database and locate the following table: wp_options.

Edit the following two lines: siteurl and home to reflect your new primary domain name.

To change your primary domain on a package

Use this KB article – https://www.hostgator.com/help/article/customer-portal-change-primary-domain

https://portal.hostgator.com/   –> Settings –> change Primary

To downgrade a package or migrate existing package to a different package

Live Chat –> $10 fee to do either of the above

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