1. Log in to your cPanel.
2. Click File Manager.
3. There are different ways to change the Permission of a file:
Option 1: Locate and select the name of the file you wish to change permission. Then click Permissions at the top menu.
Option 2: Right-click on the file that you want to change, then select Change Permissions from the list of options.
Option 3: Double-click the set of numbers under the Permissions column. Make changes on the permission and hit Save.
4. Click the checkboxes to set the correct permissions.
5. Click Change Permissions.