I don't think any program is required.
Turn off hidden folders:
How To Disable "show Hidden Files And Folders" In Folder Option - Discuss Anything
Then you should be able to see the ipod in "My Computer" and download all that data to your PC. If you sync the iPod with the new PC, it will probably erase the ipod (because you have no data on the PC).
The programs might be simpler but I have never used them.
Buena suerte.