Plug the Ethernet in and you're "connected." But it appears you are asking to connect to or create a network share and you would never use that network wizard to do that.
As all that is on the web, I'll wait for more clarification of what you want to do.
I have my sister's old Dell laptop running Win XP SP3 which I will use as a backup. This laptop was part of her home network but I want to make it a part of MY home network. I changed her WORKGROUP name to my WORKGROUP name.
Running the network setup appears that I'm setting up a NEW network but I want to connect to MY existing home network (which is different from the previous home network the laptop was connected to). Any help would be greatly appreciated.