To install Laravel 

First download composer from https://getcomposer.org/download/ and install it in the php.exe path. You can find php.exe path in your local server like xampp,laragon in pohp folder.

Before install read the application requirements like php version,mysql version,laravel version.

Install laravel via composer [Go to the path where you install your app. and open terminal and run command]

composer create-project --prefer-dist laravel/laravel my-app [my-appis the name of your application]

After successfully install your app run [php artisan serve] command & visit laravel http://localhost:8080 [apache server must be running]

or you can visit http://localhost/my-app to visit your application