File Manager inside cPanel uploads assets without installing FTP clients. Use it for light edits, quick ZIP uploads, and permission tweaks HostStack expects customers to own.
Always unzip archives inside the intended document root (often public_html or a subdomain folder). Avoid mixing backups into live directories.
Permissions
Directories commonly ship at 755 and files at 644. Recursive chmod fixes rarely substitute for identifying which plugin or deployment broke ownership.