Good news! If you have purchased the game through our website you should have received a mail from noreply@humblebundle.com. In this mail you'll find a link to your Download page where your Steam key is waiting for you. If you have not received this mail, please check your spamfolder for noreply@humblebundle.com. If there is still a problem, reach out to us on info@curious-expedition.com
Thank you very much for buying our game as a web version, and we hope you'll enjoy the Steam version just as much. If you have a minute to spare, please leave a rating on our steam page - this is really helpful to us.