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Open your terminal using Ctrl+Alt+T and type the following commands

Step 1: Install Laravel

composer global require "laravel/installer"

Step 2: Add composer to path to access laravel globally

export PATH="~/.config/composer/vendor/bin:$PATH"

Step 3: Create a new Laravel application

laravel new blog

Step 4: Install missing packages and their dependencies

cd blog
composer install

Step 5: Test the application

php artisan serve

Open a web browser and visit localhost:8000 to see the laravel welcome page

Step 6: Stop server

Terminate php server in terminal by pressing Ctrl+C

Thus you have successfully installed laravel globally.