Update WordPress Site URL is easier than you might think. If your site was set up with a other Url and you want to change it, just follow one of the below Method :
First Method : Using Dashboard
Go to Dashboard >> General Settings:
Here you can change the WordPress Address (URL) and the Site Address (URL). Simply save your settings.
Second Method : Using phpMyAdmin
- Go in to phpMyAdmin.
- Update the wp_options table and set siteurl and home values to http://example.com