"mjankiewicz/configurableproduct": "dev-master"
Example:
"require": {
"magento/product-community-edition": "2.1.0",
"composer/composer": "@alpha",
"mjankiewicz/configurableproduct": "dev-master"
}
composer update
php bin/magento module:enable JanSoft_ConfigurableProduct
php bin/magento setup:upgrade
php bin/magento setup:di:compile
php bin/magento cache:flush