Thank you for posting here in the Community, @jsmc.
You can purchase additional licenses if you need more users to access your QuickBooks Desktop company file simultaneously.
To find the current pricing information for adding users to your license, here's what you need to do:
You may also want to know how to add, edit, and troubleshoot QuickBooks Desktop user login and restrictions. Here's an article you can refer to: QuickBooks Desktop Users and Restrictions.
If you need further assistance, feel free to leave a comment below. I'm always available to give help. Have a great day.
Yes, that situation you mentioned above is possible.
You'll need to set up a multi-user network for QuickBooks Desktop (QBDT). The first thing you need to do is to have a single computer that will act as the host for your company file.
See this article to continue this process: Set up and install a multi-user network for QuickBooks Desktop. Scroll down and look for Step 2: Set folder permissions.
You can keep this article for future reference: Fix QuickBooks Desktop install errors. In case you encounter issues with QBDT installations, you can view this page for troubleshooting steps and resolve it.
Direct other questions you have in the comments below, in case you have other concerns. I'll get back to you as soon as I can.
Hello @BH2, happy to have you here in the Community! To have less seats, you would need to purchase another license with fewer users. This is best accomplished by contacting support.
Here's an article that also gives you links on how to start a chat if you prefer: Contact QuickBooks Desktop support.
The agent will be able to assist you with both the cancellation and purchase of the license. If you have any more questions or need anything clarified, please reach out through this post. We're happy to help you. :)