Great question, SV9.
Here's how you can find the QuickBooks Desktop version and release you're using:
- With QuickBooks Desktop open, press the F2 key.
- In the Product Information window, find the release on the Product line.
For more details about finding the version and release of your QuickBooks product, you can check out this article: Locate QuickBooks Desktop product version and release.
If it's showing QuickBooks Premier Edition 2016, you can try re-installing QuickBooks Pro 2019 and activate it on your computer.
You can check out this article for the steps and details: Install QuickBooks Desktop.
Please let us know if you need anything else by replying to this post. Thanks!
