If you want to install laravel in you machine to must remember some thing . Server requirement , php version etc . All of requirement full fill by laravel Homestead . You can use laravel Homestead as your local laravel development environment .
Although in this tutorials we learn about how to install laravel using composer . if you are not use Homestead for local laravel development . then you use Composer for manage all laravel dependency .
First you open getcomposer.org and click the download button . You can download composer as per you convenience .
After install Composer . Second step open you terminal and download the Laravel installer using Composer using below command .
composer global require laravel/installer
When finish this process again you run another command in you terminal
laravel new your_project_directory_name
blog is your project directory name .
You have alternative option for install laravel in you machine.composer create-project --prefer-dist laravel/laravel your_project_directory_name "5.8.*"
After Install laravel . Open your terminal and run below this command
php artisan serve