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2006-04-23
Switching XP Home <-> Pro
Regedit, HKEY_LOCAL_MASHINESYSTEM -> ControlSet with the last number.
Control ProductOptions -> in XP Home: ProductSuite (multistring value)with value Personal - delete it, add new DWORD parameter Brand with zero value.
Reboot Windows - F8 -> Load last good known configuration.
2006-01-30
Change administrator password for XP Home
In command line: control userpasswords2