Windows Vista Multi-User Language Interface Hacker

Martin Brinkmann
Oct 8, 2008
Updated • Sep 24, 2015
Windows, Windows Vista

There are several reasons why someone would want to change the language of the Windows Vista installation. Could be that a laptop or computer was bought in another country that came with a different language than the native language, or that someone went to a new country for a job or study and that working with the country's language would speed up work.

Users who want to change the language of their Windows Vista operating system will soon realize that it is not as easy as they thought it would be. Especially Vista Home users are left standing in the rain because there is no official way of changing the language of the operating system.

Update: Please note that the tool is no longer available. We suggest you download Vistalizator instead which supports changing the language in all recent versions of Windows Vista and Windows 7 as well. It supports all 36 MUI languages, 55 Windows Vista LIP languages and 59 Windows 7 LIP languages.

It takes less than 5 minutes usually to change the display language in Windows using the program, provided that the program's Express setup mode is being used. There is also a custom mode if you prefer that which gives you more options and greater control over the process. End

The Windows Vista Multi-language User Interface Hacker is a third party software that was specifically designed for the purpose of changing the language of a Windows Vista operating system. It works by downloading the program files and the selected MUI language pack from Microsoft.

It converts the language afterwards in a lengthy process that may take between 5 minutes and one hour depending on the performance of the computer system the software is run on.

After that is is simply a matter of selecting the installed language in the program's interface and restarting the computer.

Download links to all available language packs are provided in the software program so that the user can simply download it right away. Switching back to the original language is not a big problem either. It is simply a matter of downloading the right MUI and applying the same procedure to the file.

Windows Vista Multi-User Language Interface Hacker
Article Name
Windows Vista Multi-User Language Interface Hacker
Change the language of Windows Vista and Windows 7 systems that ship without the option to do so easily.

Tutorials & Tips

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  1. lexir said on August 20, 2009 at 11:29 am

    hey! where can i find/download this multi-lang…..

  2. Partager said on October 27, 2008 at 5:20 pm

    Does someone know if there is something similar for Windows XP? I bought my laptop in China with the original Windows XP Home in Chinese and I’d love to have this hack to change the interface to English… Thanks!
    Pd-By the time being I am learning to use Ubuntu, but it will take some time before I get used to the linux based programs…

  3. Casey Corcoran said on October 14, 2008 at 12:39 pm

    I had the same problem as Henk. My windows update stopped working, and, generally things seemed fishy. Luckily a system restore point fixed it all up again.

  4. Dotan Cohen said on October 8, 2008 at 10:56 pm

    Is it really that hard to switch languages in Windows? Ubuntu comes with support for over 100 languages, for free and with no hacks like this. I thought that Windows was supposed to be _easy_ to use. Ha!

  5. Henk said on October 8, 2008 at 10:12 pm

    Tried this out with Dutch-to-English conversions on VHBasic and VHPremium. At first sight the result looks nice. But beware: after converting to the other language, some Vista components will not work properly: most notably, Windows Update (will not function at all anymore) and Task Scheduler (will choke on some hardcoded system process ownership names). Also, new software additions (like the latest Windows Search v4) may run into a wall.
    Personally I would use tools like this only where a system language change is really more important than system reliability.

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