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1 - absolutely. You have high chances that a program that was written 20 years ago still works with Windows 10. Games might be an exception, but usually OpenGL

by gsich 9y ago

1 - absolutely. You have high chances that a program that was written 20 years ago still works with Windows 10. Games might be an exception, but usually OpenGL or DX games work too.

Someone1234567 9y ago
I've only heard the opposite and frankly, experienced bad backwards compatibility since win7.
- gsich 9y ago
  Of course, nobody gives positive feedback on this. But hearing and experiencing are different things.