I'll take care of your query about your QuickBooks Online (QBO) subscription, magnitude-gen.
You can renew your QBO subscription on or before the renewal date. When it's time, follow the steps below:
This opens the subscription renewal page. Follow the steps listed in this article on how you can proceed: Renew my account subscription.
Don't hesitate to post back here in the Community if you have other questions about your QBO subscription. I'll be here to back you up.