Go to Settings/USB Mode, change to MSC, drag and drop.The other mode, MTP, needs Windows Media Player 10 or 11 installed on your computer.
WMP 9 won’t work with MTP.
Arcsoft Media Converter is ancient history. Get a newer version through the updater or here.
Vids and photos must go through Media Converter. But it’s still not so hot. You can also try Rhapsody software. I forget which USB Mode is needed–probably MTP.