How to Install Symfony 3 under Window 10?

Use composter to install symphony:
Install Composer: download composer at and setup it.

First install wamp at your computer, say you have installed wamp at D:/wamp, and have run it.

Create a fold, named symfony, and install symfony under it, run windows command cmd, and run:
composer create-project symfony/framework-standard-edition my_project_name

After you have successfully installed symfony, and run:

cd my_project_name/
php bin/console server:run

Then, open your browser and access the http://localhost:8000/ URL to see the Welcome Page of Symfony!