--- Design applications for the Windows desktop
https://developer.microsoft.com/en-us/windows/desktop/design

--- Fluent Design System
https://www.microsoft.com/design/fluent/#/

--- Windows User Experience Interaction Guidelines (Windows 7 and Vista) 
http://mrl.cs.vsb.cz/people/fabian/uro/UXGuide.pdf

--- User experience guidelines for Universal Windows Platform (UWP) apps
http://mrl.cs.vsb.cz/people/fabian/uro/UWPguidelines.pdf

--- User Interface Principles
https://msdn.microsoft.com/en-us/library/windows/desktop/ff728831%28v=vs.85%29.aspx

--- Design and UI for Windows 10-based devices
https://developer.microsoft.com/en-us/windows/apps/design

--- Visual elements other than the controls
https://msdn.microsoft.com/library/windows/desktop/dn742480.aspx

--- Colors in UWP
https://docs.microsoft.com/cs-cz/windows/uwp/design/style/color

--- Fonts in UWP
https://docs.microsoft.com/en-us/windows/uwp/design/style/typography
https://docs.microsoft.com/en-us/windows/uwp/design/style/writing-style