Quote:

edit the variables to your locations.
The parts starting with C:\ you probably don't have to change

Done, I had to change all locations : "C:\..." locations aren't the same as I have VS2015 installed instead of your VS2017. In consequence I'm not sure as some specified folders where empty, I tried to find the more accurate. And It's seems there is some progress I get this error now (Helloworld example)

(): Linking has failed
(): O:\upp-win-11405\upp\out\examples\AnimatedHello\MSVS17x64.De bug.Gui.Main.Noblitz\Hello.obj : fatal error LNK1112: module machine type 'X86' conflicts with target machine type 'x64'