To change the PHP version of our domain in cPanel, we must access the Account List in WHM and access the domain by clicking on the orange CP next to it:

We access and go to the option that says Multi PHP Manager:

Now we click on the white box in the domain that we want to change the PHP version, in our case it is profesionalhosting.com, select the PHP version and click on Apply as it appears in the image:

Once done, we have the modified PHP version.