Windows 8.1 and 8.1 Pro product keys should work just fine on the N versions. This doesn't mean we can't install Windows Media Player or Skype. The apps just don't come pre-installed. For some reason, Microsoft has taken down the above page, but we will still see it through. The difference is that they don't contain Windows Media Player, Music, Video, and Skype. They are almost identical to the plain Windows 8.1 and 8.1 Pro versions. The N editions of Windows are special editions for the European Union. However, on the 'edition' menu we get a couple of options that are not self-explanatory. We run it and select the language, the edition, and the architecture.