Thanks for joining the thread, @Petersouth.
Good news! You can now upgrade your company file from an older version of QuickBooks Desktop to the latest one. With the newest version of the product, you don't have to upgrade from one version to another.
Just make sure you meet our system requirements for QuickBooks Desktop 2023 to ensure you're able to successfully restore your company files.
To check the latest available version is QBDT 2023. Please see our Plans & Pricing page for more details.
In case you encounter errors or are unable to restore data to the latest version, I'd suggest getting in touch with our phone support.
You can reach out to them by clicking this link here: https://quickbooks.intuit.com/learn-support/help/en-us/contact-us?product=QuickBooks%20Desktop
For more details bout installing QuickBooks Desktop, you can check this reference: Install QuickBooks Desktop.
Don't hesitate to tag my name in the comment section below if you have other concerns or questions. I'm always ready to help. Enjoy the day.
