Set up multi-user or network for QuickBooks Desktop
QuickBooks Help
The following articles can help you get started if this is your first time to install and use QuickBooks Desktop in a multi-user or network environment. Follow the steps in the order shown below.
Installation and setup
Install QuickBooks Desktop
Add Windows admin rights to allow configuration of multi user access
Map a network drive (optional)
Configure Firewall and Internet security settings for QuickBooks Desktop
Set up the QuickBooks Database Server Manager and scan your file
Open a company file that is located on a remote computer
Note: If you are a new QuickBooks user, after installing Create a QuickBooks Desktop company file first before doing step 2.
Also, see helpful article:
How to Install QuickBooks Desktop