How to manage extensions in OpenCart
Unzip the downloaded files.
Then, open server files using either FTP or hosting File manager, navigate to the root shop directory on your server. Locate the extension on your local machine that you wish to install. Inside ‘Upload’ folder you will find the content that should be uploaded to install the extension. Transfer these files to the sever.
Navigate to admin panel of your store. Open Extensions> Modules, uploaded extension will be listed in there. Click ‘Install’ button next to it.
New options will be available there. Use ‘Edit’ button to add and modify the content of the module.
If you don’t need some of the installed extensions, find it under the list of modules and click ‘Uninstall’ button. Confirm this action clicking ‘Ok’.