Microsoft has officially released publicly available customer preview program for Windows 7, which makes available Windows 7 RC for free download recently. However, only a few languages such as English, German, French, Spanish and Japanese are available. Windows 7 enthusiasts who only fluent in other languages can use the MUI language interface packs (LIP), which also available via Windows Update to convert system menus, dialogs and other text in the user interface to familiar localized languages. The Windows 7 RC language packs are available for both 32-bit and 64-bit system.

Download 32-bit Windows 7 RC Language Packs

English (EN-US): en-us-x86.zip
German (DE-DE): de-de-x86.zip
Spanish (ES-ES): es-es-x86.zip
French (FR-FR): fr-fr-x86.zip
Italian (IT-IT): it-it-x86.zip
Japanese (JA-JP): ja-jp-x86.zip
Simplified Chinese (ZH-CN): zh-cn-x86.zip
Hong Kong Chinese (ZH-HK): zh-hk-x86.zip
Traditional Chinese (ZH-TW): zh-tw-x86.zip
Korean (KO-KR): ko-kr-x86.zip
Bulgarian (BG-BG): bg-bg-x86.zip
Czech (CS-CZ): cs-cz-x86.zip
Danish (DA-DK): da-dk-x86.zip
Greek (EL-GR): el-gr-x86.zip
Estonian (ET-EE): et-ee-x86.zip
Finnish (FI-FI): fi-fi-x86.zip
Hungarian (HU-HU): hu-hu-x86.zip
Lithuanian (LT-LT): lt-lt-x86.zip
Latvian (LV-LV): lv-lv-x86.zip
Norwegian (NB-NO): nb-no-x86.zip
Dutch (NL-NL): nl-nl-x86.zip
Polish (PL-PL): pl-pl-x86.zip
Portuguese (PT-PT): pt-pt-x86.zip
Brazilian Portuguese (PT-BR): pt-br-x86.zip
Romanian (RO-RO): ro-ro-x86.zip
Slovak (SK-SK): sk-sk-x86.zip
Slovenian (SL-SI): sl-si-x86.zip
Swedish (SV-SE): sv-se-x86.zip
Arabic (AR-SA): ar-sa-x86.zip
Hebrew (HE-IL): he-il-x86.zip
Croatian (HR-HR): hr-hr-x86.zip
Serbian or Latin (SR-LATN-CS): sr-latn-cs-x86.zip
Thai (TH-TH): th-th-x86.zip
Turkish (TR-TR): tr-tr-x86.zip
Ukrainian (UK-UA): uk-ua-x86.zip
Russian (RU-RU): ru-ru-x86.zip

Download 64-bit Windows 7 RC Language Packs

English (EN-US): en-us-x64.zip
German (DE-DE): de-de-x64.zip
Spanish (ES-ES): es-es-x64.zip
French (FR-FR): fr-fr-x64.zip
Italian (IT-IT): it-it-x64.zip
Japanese (JA-JP): ja-jp-x64.zip
Simplified Chinese (ZH-CN): zh-cn-x64.zip
Hong Kong Chinese (ZH-HK): zh-hk-x64.zip
Traditional Chinese (ZH-TW): zh-tw-x64.zip
Korean (KO-KR): ko-kr-x64.zip
Bulgarian (BG-BG): bg-bg-x64.zip
Czech (CS-CZ): cs-cz-x64.zip
Danish (DA-DK): da-dk-x64.zip
Greek (EL-GR): el-gr-x64.zip
Estonian (ET-EE): et-ee-x64.zip
Finnish (FI-FI): fi-fi-x64.zip
Hungarian (HU-HU): hu-hu-x64.zip
Lithuanian (LT-LT): lt-lt-x64.zip
Latvian (LV-LV): lv-lv-x64.zip
Norwegian (NB-NO): nb-no-x64.zip
Dutch (NL-NL): nl-nl-x64.zip
Polish (PL-PL): pl-pl-x64.zip
Portuguese (PT-PT): pt-pt-x64.zip
Brazilian Portuguese (PT-BR): pt-br-x64.zip
Romanian (RO-RO): ro-ro-x64.zip
Slovak (SK-SK): sk-sk-x64.zip
Slovenian (SL-SI): sl-si-x64.zip
Swedish (SV-SE): sv-se-x64.zip
Arabic (AR-SA): ar-sa-x64.zip
Hebrew (HE-IL): he-il-x64.zip
Croatian (HR-HR): hr-hr-x64.zip
Serbian or Latin (SR-LATN-CS): sr-latn-cs-x64.zip
Thai (TH-TH): th-th-x64.zip
Turkish (TR-TR): tr-tr-x64.zip
Ukrainian (UK-UA): uk-ua-x64.zip
Russian (RU-RU): ru-ru-x64.zip

The ZIP archive contains lp.cab cabinet file which contains localized language resources. Here’s how to install a LIP in Windows 7, and steps to change the language of user interface in Windows 7 manually. The downloaded MUI language packs are useful for people who wants to integrate or slipstream MUI language packs into Windows 7 RC installation DVD.