Thank you for reaching out to us regarding your service change, @bretontiresandto.
I can help you find the QuickBooks Desktop plan that works for your account. For this, you'll need to purchase a license to be able to install the software. Use the following link to see the different features and comparison of our desktop services: Compare QuickBooks Desktop plans
Follow the steps from the following links to download and then install QuickBooks Desktop on your server computer. Once you have installed the software and ready to use it, you may start transferring your online data to the new service.
Let me know if there's anything else you need help with regards to choosing the software or doing the installations. I'll be right here to be your aid. Have a wonderful day!