Windows Subsystem for Linux

1. Open

    appwiz.cpl 

2. In the left panel use Turn Windows Features On or Off
3. Check HyperV
4. Check Windows Subsystem for Linux

There are two options

After you have installed a distro, if you want to convert it to WSL2 use the following command

 wsl --set-version <distro name> 2 

For example

 wsl --set-version ubuntu 2