Step 1: First you need to go inside of the public folder and copy index.php and .htaccess file then replace to root directory index.php and .htaccess.
Step 2: Change the path inside of index.php
Find $pathPath and replace inside of index.php
$pathsPath = FCPATH . '../app/Config/Paths.php'; change to $pathsPath = FCPATH . 'app/Config/Paths.php';