Super User is probably the most correct place, especially if you are asking about a feature that integrates with Windows.
If your question is about the use of generic commands that would work exactly the same on Linux as WSL then one of the other communities might be able to answer as well.
From What topics can I ask about here?
Super User is for computer enthusiasts and power users. If you have a question about …
- computer hardware,
- computer softwarecomputer software, or
- personal and home computer networking
We currently have around 240 questions regarding the Windows subsystem for Linux.