Hi there,
Thanks for reaching out to us here. I'll be happy to point you in the right direction so you can pay for your QuickBooks subscription with ease.
It's important to note that you can make your subscription payment by following the steps provided to you in the email with the QuickBooks invoice. You can also manage your subscription payments using the guidance provided in this article here.
You're more than welcome to ask other questions in the comments below. I'll be one message away.