Solution:

1. Open Turn Windows features on or off
2. Check Virtual Machine Platform box
3. Check Windows Subsystem for Linux box
4. Restart windows

Distros can be managed via Command Prompt below:

List the currently installed distribution:

wsl –list

List available distros to be installed:

wsl –list –online

Install a distro:

wsl –install Ubuntu

Set a distro as a default:

wsl –set-default Ubuntu

To uninstall distro:

wsl –unregister Ubuntu