Log in to cPanel.
Open Softaculous:
In the Search text box, type opencart and then press Enter.
Click Install. The installation page appears. In the Choose the version you want to install list box, select the version that you want to install. In the Choose Protocol list box, select the protocol.
n the Choose Domain list box, select the domain for installation, or accept the default value. In the In Directory text box, type the directory where you want to install the application, or accept the default value.
In the Data Directory text box, type the directory where you want to store application data, or accept the default value.
In the Store Name text box, type the store’s name. By default, the store name appears in the title bar of users’ web browsers when they visit your site.
In the Store Description text box, type a description for the store.
In the Store Owner text box, type the store owner’s name.
In the Store Address text box, type the store’s physical address. In the Admin Username text box, type the administrator username. In the Admin Password text box, type the administrator password.
In the Admin Email text box, type the site administrator e-mail address.
In the First Name text box, type the administrator’s first name, or accept the default value.
In the Last Name text box, type the administrator’s last name, or accept the default value.
Click the 
icon to expand Advanced Options. In the Database Name text box, type the name of the database to create for the application, or accept the default value.
In the Table Prefix text box, type the database table prefix, or accept the default value.
If you do not want to receive e-mail notifications when application updates are available, select the Disable Update Notifications Emails check box.
In the Backup Location list box, you can select a location to store application backups.
In the Automated backups list box, you can select whether or not Softaculous makes periodic backups of your application.
In the Backup Rotation list box, you can select how often Softaculous overwrites the oldest backup file with a new backup file.
To receive site configuration information after the installation is complete, type an e-mail address in the Email installation details to text box.
Review the installation options and settings, and then click Install.
When installation is complete, Softaculous provides information about the application’s configuration.