hanok

Thanks for answer so fast @vmarko

The opcache__engine dropdown menu is not read-only, but the options inside are disabled.

My doubt is why W3 Total Cache can´t detect Zend enabled when the phpinfo returns that is loaded and enabled (so not restart is required)? Which kind of verification checks the plugin?

The problem about restart the service is that on a shared hosting server it´s imposible to do it by your own or when you want. I will open a support ticket to the hosting company asking for restart it… :/

Regards!