I can definitely help you in purchasing an annual subscription for QuickBooks Desktop (QBDT) Enterprise, @drimfox.
For now, you can purchase a new monthly subscription until you finish your W-2s. Then, you can subscribed to an annual plan in January.
You can refer to this link to process your new license and you'll get to have an overview of the product: https://quickbooks.intuit.com/desktop/enterprise/
If you have further questions about purchasing a new monthly license in QBDT, please let us know. Have a good one.