Welcome to the Community, @douglas funk.
The oldest QuickBooks Desktop (QBDT) version you can download is 2012. You may want to purchase the latest version of QBDT to continue running your business using our software. Please know that QBDT has a three-year life cycle.
Once you're ready to purchase our latest version, you can directly go to this website: https://quickbooks.intuit.com/desktop/pro/.
For more information about installing QBDT, feel free to check out this article: Install QuickBooks Desktop.
Please touch base with me here for all of your QuickBooks needs, I'm always happy to help. Have a great day and keep safe.
