>Hi,
>
>I am looking at this tablet that comes with either Windows 10 Home Windows 10 Professional.
>
>https://www.ruggedtabletpc.com/products/xtablet-flex-8
>
>The price difference is about $200 (not a small change). How important is for a VFP 9 application that the OS is Win 10 Professional?
>
>TIA

See if any of any of the distinctive features of different Windows editions are relevant for the program execution (my bet: they aren't, but it's your application):

https://www.microsoft.com/en-us/WindowsForBusiness/Compare

You can install a virtual machine and set it to different configurations, and see how your application reacts to it.

https://developer.microsoft.com/en-us/microsoft-edge/tools/vms/