Windows 11 File Sharing on Home Network With Win 10 , & and Older Devices (opens in new tab)

After some months with Windows 11 Pro I am at my wits end with it. Nothing but trouble and problems. The main issue I have is that unlike all my other PCs the Windows 11 Pro box refused to display the other devices on the home network so that I can map to the drives and folders that are shared. All except my old Server that seems to pop up, but that is NOT good enough when I want to pass files direct between machines as I've always done. I am tired of trying to fathom the acronym ridden spout...