I\'m using Octave 4.0.0 on a fresh Windows 10 installation and the graphics toolkit related functions (such as plot() or hist()) are simply not wor
plot()
hist()
Your PC needs to be installed gnuplot separately from SourceForge as Octave gets some errors while installing itself in W8/10.
Here is the link attached. https://sourceforge.net/projects/gnuplot/?source=directory
You don't need to change any installation files.
This should work