1) download composer
https://getcomposer.org/download/
https://getcomposer.org/Composer-Setup.exe
2) install composer
during installation give wamp installation path. so it can composer in same php directory. for example C:\wamp\bin\php\php5.4.3
3) navigate to WWW directory then
open command prompt
type below command
composer create-project laravel/laravel your-project-name --prefer-dist
it will new create new directory
during this if open ssl
error occur then
so enable below extension in php.ini(php)
extension=php_openssl.dll
4) now you can access home page using below url
http://localhost/laravel/public/