Well, it *detects* Windows 10, but only when Qt 4.8.7 or Qt 5.5.0 (or higher) are in use. Qt 4.8.6 doesn't provide Windows 10 (or Mac OS X 10.10) detection smile.

Also, I've revised the MinGW build instructions to better reflect usage with latest tools.

A mind is like a parachute. It doesn't work unless it's open. [Frank Zappa]