Update README_Windows.md - change Qt version from Qt 5.12.3 to Qt 5.12.6
@@ -107,7 +107,7 @@ Starting from OpenGL 1.1 to OpenGL 4.6
### Generate RingQt Source Code and Build
- Install Qt 5.12 : https://download.qt.io/archive/qt/5.12/5.12.3/
+ Install Qt 5.12 : https://download.qt.io/archive/qt/5.12/5.12.6/
cd ../extensions/ringqt
gencodeqt512.bat
