Other wsl_update_x64.msi won't install says incompatible program ?

[unison]

docs.microsoft.com/en-us/windows/wsl/wsl2-kernel#download-the-linux-kernel-update-package
Microsoft2004 (OS Build 19041.546)
Open powersheel admin
wsl --set-default-version 2

wsl --set-default-version 2
For information on key differences with WSL 2 please visit About Windows Subsystem for Linux

C:\WINDOWS\system32> wsl -l -v
NAME STATE VERSION
* docker-desktop-data Running 2
docker-desktop Running 2