I'll make sure you get the right support available so you can access your stores simultaneously by using the best server, @Shabbir Abbas.
I suggest working with your local IT for further guidance in choosing the server hardware that best fits your business. This way, we can ensure you and your staff can concurrently access the same company file seamlessly.
You can also check out this link for additional details about how QuickBooks Desktop (QBDT) works efficiently with the server: System requirements for QuickBooks Desktop 2020.
Let me also add this link that you can utilize in case you want to host your company files over a network with Database Server Manager: Use QuickBooks Database Server Manager.
I'll be around if you have any other questions about QBDT system requirements or with your company file. It's always my pleasure to help you out. Keep safe!
