How to install codeigniter 3 in xampp server

Step 1:

download CodeIgniter click on download link

Step 2:

unzip downloaded file CodeIgniter-3.x.x
after unzip you have following files and folders
1. application
2. system
3. CI_user_guide
4. index.php
5. readme.rst
6. licence
7. gitignore

Step 3:

Copy application, system and index.php from unzipped folder

Step 4:

Open htdocs C:\xampp\htdocs folder

Step 5:

Paste files in htdocs folder

Step 6:

Open browser and write localhost in url bar