My understanding is that this is illegal under US law. It is, however, completely ethical.

Limbo and Inside are both short and atmospheric, but not story heavy at all.

Here is a good explanation video: https://youtu.be/LcJ5NrJtQ8g

It's very cool that we are slowly getting source code for some games! Both through leaks and decompiles. Have the source is so helpful for preservation and mods.

Honestly, there's not much of a difference. Microsoft will eventually force everyone up upgrade, so you might as well, if you have the time.