To create a split tunnel VPN on Windows 10, follow the instructions found here: http://clintboessen.blogspot.com/2015/08/enable-split-tunneling-on-windows-10.html
I’m posting this so I can remember where to find it when I need it.
I needed to get a list of registry keys of remote computers. I used a combination of ‘reg.exe’ and powershell to get the results. You can see the script here: http://pastebin.com/0LrZmb4W
It is easily modified to use a list of computers from a file, or any specific registry key.