I got a message: This app cant run on your pc: To find a version for your pc ccheck with the software publisher
That's because SNESTool is a DOS program. You would need to use DOSBox to run it under 64-bit versions of Windows.
I am trying to install Ucon 64 but seems that my computer skills are not than good...
Don't you think it would be easier to help you if you describe your problems in greater detail?
You will probably want one of the GUI frontends, namely "uf-FOX-1.1-win32-bin.zip".