Down load and run the Demo from the website and answer yes or allow to the windows popup about an unknown program wanting access to your computer.
You will see the below Rox Box Karaoke Player: License Agreement window: Click the I Agree button at the lower right and you will see the following screen: NOTE: If you are upgrading or re-installing and you want to keep your singer history, uncheck the Options box.
This is the second 4 gb Fuze I've owned (they were exactly the same), and on the first one, the Recently Added feature updated every time I added new music.
This one has never updated the list from the time I first added music.
EXAMPLE: 4.6.7 would be; Major Version 4 and Minor version 6, the 7 is a revision number.