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How can I change the Windows language from Spanish to English in a Windows 7 Professional?

Please note that this is not Enterprise or Ultimate version. So the normal way using a MUI is not possible.

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

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This question is really not a duplicate, it is the other way around. The "duplicate" does not give any useful answer while this one does. –  eudoxos Jan 20 at 8:26

1 Answer 1

up vote 8 down vote accepted

The installation of additional languages is normally not possible - unless you upgrade to Windows 7 Ultimate or Enterprise.

However, it can be done. But it will violate your Windows EULA.

Instructions

  1. Download the MUI (Multilingual User Interface) for your Language. I downloaded the hu-HU package on C:\lp.cab. You have to change the path and language shorthand to your own
  2. After the download completes, open a command line prompt as administrator and type

    DISM /Online /Add-Package /PackagePath:C:\lp.cab
    bcdedit /set {current} locale hu-HU
    bcdboot %WinDir% /l hu-HU  
    
  3. Open regedit.exe and delete the en-EN key under

    HKEY_LOCAL_MACHINE / SYSTEM / CurrentControlSet / Control / MUI / UILanguages

  4. Reboot

Source

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