A standard Windows 8.1 installation from a DVD or USB can take anywhere from 20 to 40 minutes, followed by another hour of installing drivers and updates. Using a image can reduce the installation time to as little as 3 to 7 minutes. The image is already "sealed" and deployed.
Because Windows locks system files, Onekey Ghost reboots the PC into a minimal DOS environment (or WinPE) and runs Ghost in real mode. The backup proceeds without Windows interference. Onekey Ghost Windows 8.1 64 Bit