I did not receive my invoice? MAMP GmbH September 13, 2018 09:15 Updated Follow You should have received a link to your invoice on your order confirmation email from Paddle. Related articles How do I recover my license key / serial number? What is your refund policy? Where do I find my registration number? My macOS dark mode is not working with MAMP PRO Where can I find more help and troubleshooting articles?