#go to network explorer and type below
wsl$
#From win host
Open File Explorer.
Type wsl$<wsl-distro-name> in the address bar.
#From the wsl distro
#You can also map it to a specific folder in the win host if you want (symbolic link)
ls -s /wsl-dir-you-wanna-map /mnt/c/Users/<username>/<desired-path>
#by Leo Av
%LOCALAPPDATA%PackagesCanonicalGroupLimited.UbuntuonWindows_79rhkp1fndgscLocalState
ootfs
cd wsl${DISTRO}