To download the backup from cPanel:
Step 1: Log into cPanel.
Step 2: In the Files section, click on the Backups icon.
Step 3: Under Full Backup, click Generate/ Download a Full Website Backup.
Step 4: Under Backups Available for Download, click the link for the backup file you wish to download.
Step 5: Select a destination on your PC where you would like to save the backup.