wsl2 download manualy ubuntu code example
Example 1: How to Install WSL2
dism.exe /online /enable-feature /featurename:Microsoft-Windows-Subsystem-Linux /all /norestart
dism.exe /online /enable-feature /featurename:VirtualMachinePlatform /all /norestart
wsl --set-default-version 2
Example 2: wsl2 ubuntu
wsl.exe --set-version Ubuntu 2