1. install laravel scout.
composer require laravel/scout

2. install tntsearch.
composer require teamtnt/laravel-scout-tntsearch-driver

3. add the ScoutServiceProvider and the TNTSearchScoutServiceProvider to our providers array in config/app.php.
Laravel\Scout\ScoutServiceProvider::class,
TeamTNT\Scout\TNTSearchScoutServiceProvider::class,

4. publish Laravel Scout config file.
php artisan vendor:publish --provider="Laravel\Scout\ScoutServiceProvider"

5. add in .env file
SCOUT_DRIVER=tntsearch

6. add in config/config.php
'tntsearch' => [
    'storage'  => storage_path(),
],

7. add the Searchable trait on our Model
use Laravel\Scout\Searchable;

class Example extends Model
{
    use Searchable;
...........................

8. create the Index file for the first time.
php artisan scout:import "App\Models\Example"

9. use
App\Models\Example::search('search something')->get();