After purchasing and installing an official Recipe Hero extension, you’ll be prompted to enter your license key in order to receive updates and support.
You can find this license key in both the email sent after making your purchase, and by logging into your Recipe Hero Account.
Once you’ve found your license key, head over to the Plugins page and find the extension. You can then enter in the license key and the email you used to purchase the extension from the Recipe Hero site with:
After entering both, simply press enter / return on your keyboard and the license should be activated.