%WindowsSdkDir%

The Visual Studio environment variable %WindowsSdkDir% points to the Windows kits directory.

A possible value of this variable might be C:\Program Files (x86)\Windows Kits\10.

Apparently, the value of %UniversalCRTSdkDir% also points to the same directory.

Some subirectories include

• App Certification Kit
• bin
• Catalogs
• Debuggers
• DesignTime
• Extension SDKs
• Include
• Lib
• Licenses
• Platforms
• Redist
• References
• Remote
• Shortcuts
• Source
• Tools (?)
• Testing
• UnionMetadata
• Vsix (?)
• Windows Performance Toolkit