Build 19041 is just a version of Windows 10 Pro/Home. Use a valid Windows 10 product key. If you were previously activated on a retail license, skip key entry during install; it will auto-activate after online check.
This build introduced several significant enhancements to the Windows experience: Windows Subsystem for Linux 2 (WSL 2):
: Improvements were made to the search algorithm to reduce high disk and CPU usage, along with an updated design for web previews. Installation Guidelines