It’s a good thing you haven’t connected with WMP.
WMP will match your Fuze to what’s on your computer. If you have nothing on the computer, it will ERASE all the music on your Fuze.
Every Windows operating system since XP can handle WMP 10. If your laptop came with XP, it has WMP 9 and you can go to www.microsoft.com and upgrade to WMP 10. But after you install WMP 10, go into Tools and Synch and MAKE SURE AUTO-SYNC IS OFF before you even think about connecting the Fuze.
When you are absolutely sure Auto-Sync is off, put the Fuze in MTP mode (Settings/System Settings/USB Mode), connect the Fuze and see what you can see in My Computer on the Fuze.