Microsoft's own docs site has a pretty good official guide to this, though I'd quibble with a few things (e.g., WinRT/UWP isn't really a "managed runtime" in th

Microsoft's own docs site has a pretty good official guide to this, though I'd quibble with a few things (e.g., WinRT/UWP isn't really a "managed runtime" in the same sense as .net): https://docs.microsoft.com/en-us/windows/desktop/choose-your-technology https://docs.microsoft.com/en-us/windows/desktop/choose-your... WinUI is the UI stack from UWP, which is being split into its own open source package and made available for use by Win32 apps as well.