ANGLE renderer is using DirectX, not OpenGL. You shouldn't get an error message about missing OpenGL 2.0 if you were using DirectX, it doesn't make sense.
Show me your log.txt, please.
Also, did you actually try to hold SHIFT while starting the game and hold it until a window appears or are you just bullshitting me? Because I'm used to people telling me that they've "tried everything" and are ignoring my advice, while they in fact haven't tried the very thing I suggested.
Starting a Ren'Py game while holding SHIFT only starts the graphics configuration window without utilizing any kind of HW acceleration, so missing an OpenGL or DirectX feature wouldn't matter and it wouldn't give any errors about them. It's what this feature is made for - troubleshooting.