Hello folks,
You can enable PHP support for a website at the time to creation account. If you have not enabled it then no problem. Follow below steps to enable it.
1.First, log in to Plesk Panel as admin user.
2. Click on the 'Domains' icon and select the domain you wish to enable PHP support.
3. Now, Click on 'Web Hosting Settings' icon.
4. Scroll down the page and check mark next to 'PHP Support', and click 'OK'.
You will see confirmation that the command completed. Now you can view PHP pages under the domain.
That's all, Enjoy ...!! :) ;) :)