1. First, you need to login to Website Panel

     

    Once logged in, click on Web and then Web Sites

     
     

    Here you can select the domain name you wish to make changes to.

     
     

    On this page, click on Extensions

     
     

    Lastly, select DefaultAppPool and the PHP version in the options below

     
     

    Click on Update once you are done. 

     

    Should you require PHP version 5.6, please email support@1-grid.com so our team can enable this on the server.