You can download the Ubuntu Jammy WSL rootfs tar.gz file from the official Ubuntu website:

wsl --import Ubuntu-Jammy-Custom C:\WSL\UbuntuJammy .\ubuntu-jammy-wsl-amd64-rootfs.tar.gz

sudo apt update && sudo apt full-upgrade -y

Ubuntu Jammy (22.04) is a popular Linux distribution that can be run on Windows Subsystem for Linux (WSL). If you're looking to download the rootfs tar.gz file for Ubuntu Jammy WSL, here's what you need to know:

apt update && apt install sudo -y adduser myname usermod -aG sudo myname

Here is why you might want to bookmark the download page:

wsl -d UbuntuJammy