This is one of the steps forward with Windows 8.
If you buy a new PC, and you login with a Microsoft Online account that you used with your old PC, many of your settings transfer with you, almost like a roaming profile. So you can log into any Windows 8 PC and get it quickly back to where your previous system was set up, as far as the Modern UI is concerned. This is a very Android-like feature with Windows 8.
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