curl -sS https://getcomposer.org/installer | php mv composer.phar /usr/local/bin/composer
for windows instalation you can just go by the next reference. All the needed information you could fine there:
php composer install
mv .env.example .env
php artisan key:generate
php artisan migrate php artisan db:seed
<VirtualHost *:80> ServerName adriitest.dev ServerAlias www.adriitest.dev DocumentRoot "/Users/z0uR/Sites/adriitest/public/"
127.0.0.1 adriitest.dev
APP_URL=http://your.domain