Sylius installation doesn't work

I have a problem with the installation of Sylius.

PHP Fatal error:  Allowed memory size of 536870912 bytes exhausted (tried to allocate 32 bytes) in phar://C:/ProgramData/ComposerSetup/bin/composer.phar/src/Composer/DependencyResolver/RuleSetGenerator.php on line 126

This error occur when I run : composer create-project -s dev sylius/sylius-standard Club26

My configuration is :

• Wamp on Win7 64bits (for Apache, PHP and MySQL)
• I have git installed
• I use cmder to run my command
• I have changed memory_limit = 1024M in php.ini
• I tried with composer install with Windows Setup, and with composer.phar

Thanks for help

Try disabling Garbage Collection during installation.

For global installations of Composer

$ php -d zend.enable_gc=0 `which composer` create-project -s dev sylius/sylius-standard Club26

For local installation of composer.phar

$ php -d zend.enable_gc=0 composer.phar create-project -s dev sylius/sylius-standard Club26