It all depends on what applications you're running.
Some applications in W8.1 have freezes, they're not really crashing, but freeze from time to time for up to a few seconds even. Some applications just outright crash, and Windows restarts them. It's just not working like it should, however you look at it.
It's not because I use linux, that I don't also run Windows and OSX. I get the whole software console comfort thing. Linux and Windows are not competing, they are something completely different, even though some linux based products are made to compete with closed source software consoles, like SteamOS, or Android, or CrOS, etc...
The way I see it, PC gaming is not going to be solved until it moves completely over to linux, and the stupid DRM and software console limitations are dropped. I'm quite pissed at Valve for not providing an honest port of CS:GO for linux, because it's clear that they don't care about PC Gaming at all, preferring their stupid Music Pack in CS:GO and their skin trade over providing a better tool for competitive e-sports. Think about how crazy good CS:GO could be if it were an honest native linux game: lower latencies, less system overhead, higher availability, more reliable networking, less prone to attacks, etc...
The gaming user base on Android is already way larger than the gaming user base on PC, so is the hardware console user base. And still... none of the "players" in the PC gaming market, seem even remotely interested in the platform, and that includes Valve. The whole PC gaming scene has become a bourgeois scene, where the hardware and the price thereof is more important than the actual gaming. There are very few PC gamers than wouldn't switch to console in a heartbeat because game X or Y is released for consoles only. Nobody really cares any more, it's just become a show-off scene, a hollowed out pretentious construct. If PC gamers would really be passionate about high end gaming, they would have pushed towards a more open source approach a long time ago, and they wouldn't accept to be treated like they are now by the big gaming studios and the publishers. The way I see it, if you're adamant on being a PC gamer, you should also be passionate about getting all of the performance and features modern hardware can provide, and that's not the case at all, because right now, there's only a bunch of bourgeois kids fighting on the interwebz about when the next expensive AAA title is going to come out, and that a fucking Windows-only 32-bit application that's not even worth the storage space it occupies. Oh but I'm an indie game fan... yeah right... how many people actually play a lot of indie games? Isn't an Indie game only an Indie game until Microsoft buys it like Minecraft? What's left of PC gaming is just a bad joke for the moment. It's definitely time for a complete gaming industry overhaul in my opinion, because the only thing PC gaming is accomplishing right now, is that a lot of people degrade perfectly good computer hardware to console level, and that has consequences on many things, in the first place the concept of what computers can do for individuals, and the chances in the future of those individuals.