PHP settings problem . How to rectify.

[essermx1]

The following errors were found :

• Required PHP extension not found : mcrypt
• Required PHP extension not found : gd
• Required PHP extension not found : dom

 

[lylex10h]

cPanel --> Software and Services box --> Select PHP Version --> check boxes and click the [Save] button.

 

[anycx10m]

Similar challenge here. Cannot see site. Cannot use cPanel.