Let’s discover forgotten corners on Windows 11. Elements that have been there for decades.
State of the Windows: How many layers of UI inconsistencies are in Windows 11?
And, WinFile manager from Windows 3.0 was opensourced so years ago. You can install it using
winget install microsoft.winfile --source winget

And why aren’t these old apps “simply” modernized? Even WinFile was sunset after some time. See what Microsoft wrote about it: we simply do not have the expertise or resources within the organization to continue to maintain this project