Please login to your Control Panel > WebHosting Linux > Click target Domain Name
then go to [Change hosting setting] of Configuration.
Plesk panel will open, so you can customize settings and click [OK].
After that click [WordPress] > Administrative interface
*As default, WordPress auto update is disabled, so if you want to update automatically,
please change the settings.
Please be noted that WordPress plugin may have some dependency with WordPress version,
so we recommend customer to check these before update.