I got the steps that you need in transferring your QuickBooks to your new computer, @johncooper1952.
To transfer your data from one computer to another, you'll need to create and restore a backup company file. It saves your data and supporting files. You can also simply copy and paste your entire QuickBooks folder to a new location.
Here's how to create a backup copy of your data:
Once done, you can now install your QuickBooks to the new computer and restore that backup that you made afterward. Know that if you move your company file to another computer, it won't affect your product license. You can press the F2 key on your keyboard to get the product info.
To guide you with the installation process, you may refer to this link: Install QuickBooks Desktop.
After that, lets' go ahead and restore the copy:
Lastly, to give you additional information about moving your company file to another PC, you can always visit this reference: Move your company files to another computer.
I'm always ready to lend a helping hand if you have further questions. Just let me know by leaving a reply below. Have a good one!