Guides for driver installing.
1. Download driver from the link here.
DCU-60/65 & Mini-USB driver
2. Unpack the file to a folder on your computer. Turn off your phone, take out the batteri and insert it again after 5 seconds.
3. Press and hold C on your phone while you connect the cable to your phone. Your computer will now ask for the drivers.
4. Follow the guide, choose 'No, not this time.' Press Next. 'Install from a list ..'. Press Next. Show the installer to the folder you just extracted.