Connect your iPod in normal mode (iTunes/file transfer).

Close iTunes completely if it opens when you plug in your iPod, as iTunes will try to interfere with this process if it is left open.

If on Mac. make sure to run Rockbox Installer as a root user.

Download the Rockbox EXE file at the link below. Run the Rockbox EXE file and click OK through the dialogues.

Download the Rockbox EXE file here

Once you are at this screen, click "Show disabled targets" and click OK at the dialogue.

Don't be spooked by the dialogue... even if something were to go wrong with this process we can still go back and restore your iPod.