Run as Administrator. The interface is ugly, but functional.
These drives are old. They fail. They spin down. They corrupt. programa para clonar disco duro de xbox 360
The software is free. The time investment is a few hours. The emotional cost of losing a 15-year-old Skyrim save file? Priceless. Run as Administrator
Click "Source" and choose your old Xbox 360 drive. It will likely show up as a generic SATA device with the correct size (e.g., "Hitachi 120GB"). you will lose your Windows installation.
Click "Destination" and choose your new, empty hard drive. Triple check this. If you accidentally pick your "C:" drive, you will lose your Windows installation.