Just purchased Principle and License Key not working

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Principle Version: 5.9
macOS Version: 10.13.6
Description of what you need help with:


I couldn’t find a number or email to contact so I will just post here. I just purchased a license key for Principle and the key does not seem to work. If someone could help point me in the direction to help getting my license key to work I would really appreciate it!

Please use the company “send message” form here for license related issues: https://principleformac.com/contact.html#contactUsAnchor2