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Pls, note that is a Professional version, not Enterprise or Ultimate version.

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marked as duplicate by Ƭᴇcʜιᴇ007, Brad Patton, Scott, Tog, KronoS May 3 '13 at 15:18

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up vote 3 down vote accepted

This is not normally possible unless you upgrade to Ultimate. However, it can be done but it will violate the EULA. There are some tutorials around on the internet, such as this one: http://my.bergersoft.net/2010/02/26/how-to-change-default-language-on-windows-7-professional/

Instructions on this link:

  1. Download the MUI for your Language. For example, to use I would the HUNGARIAN language I need the hu-HU package.
  2. Find a site for the download: a. http://msdn.microsoft.com for MSDN Subsribers b. I suggest this page : (http://www.solidblogger.com/windows-7-language-pack-download-install-tutorial/)

Note: I downloaded the hu-HU package on C:\lp.cab

  1. After the download you need the to type the following in the CMD (Run As Administrator):

DISM /Online /Add-Package /PackagePath:C:\lp.cab bcdedit /set {current} locale hu-HU bcdboot %WinDir% /l hu-HU

  1. Remove from the Registry the en-EN language settings (CMD->regedit.exe)

    • ">HKEY_LOCAL_MACHINE->SYSTEM->CurrentControlSet->Control->MUI->UILanguages"
  2. Click on the en-EN label and this registry child.

  3. REBOOT the OS.
  4. Enjoy the hungarian Windows 7 Professional.

This example talks about hungarian but you can apply it to any language.

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