Thanks for joining this thread. I’d like to add to this discussion and help ensure you can access the information on the link shared by @lyndaartesani.
Some articles in the Community have been changed and enhanced to provide updated information. If you’re unable to view the link above, you may check out the new version: Set up multi-user network.
The article contains detailed steps on setting up multi-users in QuickBooks Desktop.
That should get you pointed in the right direction. If you have any concerns specific to multi-users, please let me know. I’m more than happy to help you out. Thanks for dropping by and have a great day!