How to Change a Display Language on Windows 7 Without Vistalizator

Download a Language Pack for Non-SP1 (Build 7600) or SP1 (Build 7601). You can extract the language pack exe. file for lp.cab to avoid disappearing it by copying it or dragging it.

Go to start, search CMD and right click it and run it as an administrator.

In the command prompt, type DISM /Online /Add-Package /PackagePath:C:\LP-DE \ lp.cab

When it is completed, type bcdedit /set {current} locale de-DE.

Then type bcdboot %WinDir% /l de-DE.

Then type exit or press the red X and click start, regedit, Click Yes.

In regedit, go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\MUI\UILanguages and delete the en-us.

Restart your computer, windows will change the language and have fun!