check if wsl 2 is installed code example

Example 1: get wsl version

wsl -l -v
# If version 2 is installed properly, you will see the version number. 
# If you don't see a version number, or if you see an error message 
# you have version 1

Example 2: update to wsl2

#enable wsl 
dism.exe /online /enable-feature /featurename:Microsoft-Windows-Subsystem-Linux /all /norestart
#make sure windows version is >=2004
dism.exe /online /enable-feature /featurename:VirtualMachinePlatform /all /norestart
#restart
wsl --set-default-version 2
#if kernal error https://docs.microsoft.com/en-us/windows/wsl/wsl2-kernel

Example 3: dism.exe /online /enable-feature /featurename:Microsoft-Windows-Subsystem-Linux /all /norestart

dism.exe /online /enable-feature /featurename:Microsoft-Windows-Subsystem-Linux /all /norestart

Example 4: how to check wsl version

dism.exe /online /enable-feature /featurename:VirtualMachinePlatform /all /norestart