Search notes:

Optional features of Windows

Opening the optional features settings GUI from the command line

start ms-settings:optionalfeatures

See also

Hyper-V, Windows Sandbox, IIS*
OptionalFeatures.exe, Fondue.exe, dism.exe: features control panel, %SYSTEMROOT%\System32, Windows as a service, Windows Settings, Docker on Windows
Virtual Machine Platform is required for Subsystem for Linux, version 2. This feature might be enabled with 
dism.exe /online /enable-feature /featurename:VirtualMachinePlatform /all /norestart

PS C:\> get-wmiObject   -query "select * from Win32_OptionalFeature where name = 'IIS-StaticContent'"
PS C:\> get-cimInstance -query "select * from Win32_OptionalFeature where name = 'IIS-StaticContent'"
The PowerShell command noun windowsOptionalFeature
The directories
The registry keys

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