To restore the Partial backup please follow the below steps:
There are two ways to restore the Partial backup:
1: To restore the backup zip file you need to Download the software named as Filezilla client from the link: https://filezilla-project.org/.
2: Once you install this software into your local system login into the cpanel of your server using the details hostname, user/password.
3: The hostname will be your server IP and the user/password will be same as your cpanel all these details you have received in your registered email.
4: Once you logged into the filezilla the left screen will belongs to your local system from where you need to drag your zip backup file to right screen which is your cpanel file manager.
5: Once the uploading of the zip file is done you need to extract that zip file into your root folder and restore the files, emails and the database one by one from that extract files.
NOTE: This method you have to use to restore the files when your zip backup file is more than 1 gb
if your backup file is below 1gb you can upload it directly through cpanel to now how please click here