"Ghosting" Windows 8.1 refers to the process of —creating an exact, compressed copy of your entire hard drive, including the operating system, settings, and apps. This is a powerful way to back up your system or deploy identical setups to multiple PCs.
Here is the warning label. Downloading a "Ghost" OS is like eating sushi from a gas station. You might be fine, or you might get violently ill. ghost windows 8.1