How to get the current default set language of the current Windows OS for version 7 and later versions using C++?
140291
How to get OS language using C++ API?
45031
Detect 64-bit or 32-bit Windows from User Agent or Javascript?
32007
How do I programmatically determine operating system in Java?
110529
Can we read the OS environment variables in Java?
91908
Finding the default application for opening a particular file type on Windows
137801
How can I find the current OS in Python?
45989
Setting and getting Windows environment variables from the command prompt?
13009
Is there a macro telling which OS we're using?
20799
Detect Windows version in .net
51540
Get operating system info
111019
Programmatically get the version number of a DLL
48702
Language Hotkeys removed by itself in Windows 10
147333
Properly setting the system language to English but with Swedish locale settings
72005
Getting system Timezones in different languages
38352
How to reset shortcuts (.lnk file)  in Windows 7?
112410
How to get the ACTUAL version number for Windows 10 from command line? (NOT build number!)
88821
How do I get and set Environment variables in C#?