Windows 7 extended support runs out in January of 2020. So the clock is ticking and you have five years until you have to upgrade to something else. That would be me since I just installed Win7 yesterday to replace XP!!!
If you've given up on reading paper books for the ease of your e-reader's screen, you may want to step back a bit. Neuroscience confirms that our brains use different areas to read on paper and screens, and you need to exercise both.
It's really more like Science AND Music. An excellent blending of science and performance art. Check it out and the behind the scenes videos of how they did it. (I am posting this through Vimeo instead of youtube because I don't like how all G+ posts of a youtube link automatically show up as a comment there.)