Three ways to set permissions:
Log in to your cPanel, "File Manager"
Highlight the necessary files or folders; use the SHIFT/CTRL to highlight a group shift.
Click "Permissions".
Specify the necessary permissions and click "Change Permissions".
Make the FTP connection to your hosting account, using "Total Commander".
Highlight the necessary files or folders, use the SHIFT/CTRL keys to highlight a group.
File / Properties part select from the menu.
Specify the necessary permissions.
Run "FileZilla"; make the FTP connection to your hosting account.
Highlight the necessary files or folders; use the SHIFT/CTRL keys to highlight a group.
Right-click on the highlighted files and select "File Permissions"
Specify the necessary permissions.