If you’ve got Softaculous, navigate to the ecommerce category on the left. From there, find OpenCart and install it in one click. If you don’t have Softaculous, follow the steps below:
Log into cPanel and navigate to MySQL Database Wizard
Create a username and secure password
Allow all privileges and move on to the next step
Download and extract OpenCart
Upload it using an FTP, including your web server details when asked
Once everything is uploaded, proceed with installation