Backup can be downloaded partially or fully. Here are the steps to download the full backup:
  1. Login to cPanel
  2. Go to backup wizard
  3. Click on the backup button
  4. Click on the full backup option
  5. Select the backup destination and mail ID
  6. Click on the Generate backup button

Steps to download partial backup:
  1. Login to cPanel
  2. Go to backup wizard
  3. Click on the backup button
  4. Click on the partial backup option
  5. Select Home Directory and MySQL Databases
  6. When you open the Home directory option, then click on Home directory again and the files will start downloading
  7. On the MySQL databases option, Just Click on the SQL databases for which you want to download and they will start downloading


The Last Step is to cross-check the zip files that it completely downloaded or not and if it completely downloaded then it's great you have done with the backup