If you don't already have an Art For Kids Hub account, visit this page https://artforkidshub.tv/gift_card_redemptions/new
Enter your redemption code and click continue. The website will walk you through setting up your account and selecting a membership plan.
If you already have an Art For Kids Hub account, visit your dashboard billing page https://artforkidshub.tv/dashboard/billing
Then click the redeem a gift card button.
The gift card amount will be added to your balance. Anytime you have a gift card balance the website will automatically deduct from the balance before billing your card.
If you've successfully created an account and redeemed your gift, but you're still unable to watch a lesson, all you have left to do is pick a subscription plan.
You can click any lesson to subscribe or visit this page https://artforkidshub.tv/join and choose a plan.