To install the extension

• Log in the ftp, and then go to Magento 2  root folder (generally present under the public_html folder).
• Create a new folder named code under the app folder; under code folder, create a folder named Ced.
  1. Upload or Drag and Drop app/code/Ced directory.
  2. After successfully uploading the directory, the extension will be installed/upgraded.
  3. Now run the  following upgrade command in cmd
     php bin/magento setup:upgrade.