This PC World article shares overview of moving from WIN7 to WIN10 to take advantage of DirectX 12 and other new graphical features.  Some of the minor issues noted are likely to be improved over coming months.

http://www.pcworld.com/article/3051795/software/quantum-break-pc-performance-running-fine-windows-store-flaws-aside.html

Well, congratulations to Microsoft. After nine months of haranguing me in the bottom-right corner of the screen, I’ve finally upgraded to Windows 10. Not exactly by choice. It was so I could play Remedy’s new game Quantum Break, which you might’ve heard is a Windows 10 Exclusive™ or whatever. DirectX 12, Xbox Live (and Xbox App) integration, the whole banana. And seeing as the last title to release through the Windows Store (Gears of War: Ultimate Edition) was a bit of a technical kerfuffle, I figured I’d best do some brief testing after a long day of reinstalling drivers and software.

The good news is the game runs preeeeeetty well for me thus far, though others have reported some performance issues. Options are slightly more sparse than your typical PC title but Microsoft has fixed some of the garbage from the Gears launch—you can turn the 30 frames per second cap off, for one thing. Games still run in borderless fullscreen though, and I have no idea whether multi-GPU setups are supported because I’m only running a single GeForce GTX 980 Ti.  Windows Store apps don’t play nice with SLI or CrossFire yet, but DirectX 12 games—like Quantum Break—can support mixed graphics card setups if developers take the time to code it in. Remedy hasn’t mentioned doing so for this game, though, so if you’re running SLI/CrossFire maybe think twice about buying. Or let me know if it works and we’ll update this.

The Windows Store is a pain. Since this was my first time installing a game from it on Windows 10 it took some Googling for me to find out how to swap what drive the Store installs to. (Hint: Go to Settings—not the Store settings but your system-wide settings, then System > Storage and change where apps are installed.) Also, there’s no support for any overlays so I have no idea what my actual frame rates are. Clever, Microsoft. Very clever.