CodeIgniter can be installed with four steps that are given below:

  • Download it from its download page & then unzip the package.
  • Upload its files and folders on your server or localhost.
  • Open application/config/config.php file and set base URL.
  • If you want to use database then open application/config/database.php file and set your database credientails.
  • Now it's installed

If you want to configure additional setting then you can click here

BY Best Interview Question ON 13 Jan 2019