I want to set up permissions for a share on my PC for other users on my home network (not a domain, which I suspect may be the issue).
When I go to add permissions to a share, I get the following dialog:

When I click on locations, I get the following dialog:
I want to give permissions to a user on a computer called THUNDERLAPTOP. As you can see in the screenshot below, I am able to connect to the laptop:

However, when I click Locations... in the original dialog, I get the following dialog (with no option to select THUNDERLAPTOP as a location):

Is there a way to get THUNDERLAPTOP or other devices on the network to show up in this list without creating a Windows domain? I am open to third party software if that is what it takes (I can't afford a Windows Server license to make a domain).
