How do I redeem my Humble Bundle voucher?

Symptoms:

• I'm trying to redeem my Humble Bundle voucher, but I see an error.

Resolution:

You can redeem active Humble Bundle vouchers in your Unity ID by following the steps below:

1. Navigate to id.unity.com and sign in using the Unity ID account credentials you want to redeem your voucher on.
2. Under the My Account section, select Redeem a product code.
3. Enter your voucher code into the box provided > select Redeem a product code.
   
4. Select the product and organization (if applicable).
   

   Note: Humble Bundle vouchers can only be redeemed under your default organization.

5. Read and accept the Terms and Conditions.
6. Click Confirm.

More information:

I redeemed my Humble Bundle voucher, but I can't see my assets.