You can get a full cPanel backup under the Backups menu in the Files section in cPanel.
1- Go to cPanel> Files section> Backup menu.
2- Click Full Backup.
3-By default, a full cPanel backup will be saved to your account home directory.
4-Click Create Backup to continue,
5-Click Return to monitor the status of the process in real time.
6 - The green check mark next to the backup name will indicate that backup creation is complete.