Перевод Windows XP Home to Professional без переустановки ОС

To convert and upgrade Windows XP Home to Windows XP Professional, follow procedure below.

1. Open Registry Editor (regedit).

1. Navigate to HKEY_LOCAL_MACHINE/SYSTEM/ControlSet00X/Control/ProductOptions, whereControlSet00X is the one with the highest number.

1. Delete the ProductSuite registry key.

1. Then, create a new DWORD value and named it as Brand.

1. Set the “Brand” value data as 0.

1. Reboot the system.

1. On boot up after the BIOS screen, press F8 to display Windows XP Startup Menu.

1. Choose Last Known Good Configuration (LNG) and hit Enter.

Windows XP will start up as usual. After logging into the desktop, check the system properties to verify that it’s now Windows XP Professional.

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