I just installed Windows 10. To me, it looks like Windows 7 with Windows 8 squares in the menu. It's stupid looking and UI elements don't match, but I digress.
The new Edge browser is being pushed. This is its user agent string:
Code:Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.135 Safari/537.36 Edge/12.10240
Spoiler warning: