Pre-requirements

• Windows 10 May 2020 (2004) // or older Windows 10 May 2019 (1903) / or Windows 10 November 2019 (1909)
• A computer with Hyper-V Virtualization support

Steps Overview

• Enable WSL 2
• Enable ‘Virtual Machine Platform’
• Set WSL 2 as default
• Install a Linux distro
• Download the lateest kernel to update [ref]

Powershell CML

dism.exe /online /enable-feature /featurename:Microsoft-Windows-Subsystem-Linux /all /norestart  # Enable WSL
dism.exe /online /enable-feature /featurename:VirtualMachinePlatform /all /norestart  # Enable ‘Virtual Machine Platform’
# Enable-WindowsOptionalFeature -Online -FeatureName VirtualMachinePlatform -NoRestart  # older win10
wsl --set-version Ubuntu 2  # convert current installed
wsl --set-default-version 2  # for future installations

ref: OMG Ubuntu.co.uk