How to update Windows10 1803 2020 
and upgrading Windows Service for Linux from WSL1 to WSL2 
ChecklistCommand
BIOS setting
X58 chipset with Gulftown intel Core processor
VT-d from enabled to disabled
Set strage mode from ACHI to IDE

Windows 10 assistant 
https://www.microsoft.com/ja-jp/software-download/windows10

wsl -l -v to check version
wsl -l -v
WSL-L-V

Updating WSL2 Linux kernel package
https://docs.microsoft.com/en-us/windows/wsl/wsl2-kernel

Enable Virtual Machine platform service in Windows10 function using Power Shell ( Admin)

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

change version from WSL1 to WSL2 wsl --set-version kali-linux 2 wslsetversion

Set default to WSL2PS C:\> wsl --set-default-version 2
set-default

Checkwsl -l -v
WSL2