1. Login to Control Panel. 2. From side panel - > Websites -> List Websites 3. Click manage button next to the domain you want to make the changes 4. Find Change PHP section and click. 5. Select the version you want to change to 6. If you need to change PHP version of a child domain or addon domain click list domains. 7. Select PHP version 8. Congratulations! You have successfully updated your PHP version.