You can customize your Plesk hosting account via the common PHP settings in the Plesk admin section of your account. Custom php settings allow to control variables such as
We were unable to migrate your site using the WordPress URL entered, please try again. Make sure wp-admin and wp-login.php are accessible.
If you would like to test your WordPress website for PHP 7 compatibility just follow these steps.
If you built a test or development WordPress site, then you may need to move it from one folder to another on your hosting account before it's ready for visitors.