Hey, It seems WooCommerce plugin is not active on your wp-admin. Enhanced ecommerce plugin can only be activated if you have active WooCommerce plugin in your wp-admin.
KÖMMERLING 70 AD is a modern double seal window system with a construction depth of 70 mm. This system is characterised by perceptible heating cost savings, high noise protection, reliable burglary protection, and a wide range of design options.
KÖMMERLING 76 is a modern, best-in-breed window and door system. Highest quality, real heating cost savings, optimum noise protection, reliable intrusion protection and a wide range of options improve your quality of life. KÖMMERLING 76 is definitely the right choice.
KÖMMERLING 88 MD is a window and door system that already satisfies future requirements. In short, it delivers maximum future security. KÖMMERLING 88 MD energy efficiency and sound insulation values are already significantly better than comparable systems.