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local-language-versions-in-sql-server.md

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title Local Language Versions in SQL Server
description English-language versions of supported operating systems support localized versions of SQL Server by using Windows Multilingual User Interface Pack settings.
author rwestMSFT
ms.author randolphwest
ms.date 09/07/2025
ms.service sql
ms.subservice install
ms.topic concept-article

Local language versions in SQL Server

[!INCLUDE SQL Server -Windows Only]

[!INCLUDE ssNoVersion] supports all languages that are supported by Windows operating systems.

Cross-language support

The English-language version of [!INCLUDE ssNoVersion] is supported on all localized versions of operating systems.

Localized versions of [!INCLUDE ssNoVersion] are supported on localized operating systems with the corresponding language or on English-language versions of supported operating systems by using the Windows Multilingual User Interface Pack (MUI) settings. For more information, see Configure Operating System to Support Localized Versions.

Localized versions of [!INCLUDE ssNoVersion] can only be upgraded to localized versions of the same language, and can't be upgraded to the English-language version.

Localized versions of [!INCLUDE ssNoVersion] can also be installed side by side with English-language instances of [!INCLUDE ssNoVersion].

Configure operating system to support localized versions

Localized versions of [!INCLUDE ssNoVersion] are supported on English-language versions of supported operating systems Windows through using Multilingual User Interface Pack (MUI) settings.

However, you must verify certain operating system settings before installing a localized version of [!INCLUDE ssNoVersion] on a server that is running an English-language operating system with a non-English MUI setting. You need to verify that the following operating system settings match the language of the localized [!INCLUDE ssNoVersion] to be installed:

  • The operating system user interface setting
  • The operating system user locale setting
  • The system locale setting

If the settings don't match the language of the localized [!INCLUDE ssNoVersion] to be installed, then use the following procedures to correctly set these operating system settings.

Caution

Installations of different language versions of [!INCLUDE ssNoVersion] instances on the same computer aren't supported.

Change the operating system user interface setting

  1. If not already installed, install the operating system MUI that matches your localized version of [!INCLUDE ssNoVersion].

  2. In Control Panel, open Regional and Language Options.

  3. On the Languages tab, for Language used in menus and dialogs, select a value from the list.

    This setting affects the user interface language of [!INCLUDE ssNoVersion], so it must match your localized version of [!INCLUDE ssNoVersion].

  4. Select Apply to confirm the change, and OK to close the window.

Change the operating system user locale setting

  1. If not already installed, install the operating system MUI that matches your localized version of [!INCLUDE ssNoVersion].

  2. In Control Panel, open Regional and Language Options.

  3. On the Regional Options tab, for Select an item to match its preferences, select a value from the list.

    This setting affects culture-specific data formatting.

  4. Select Apply to confirm the change, and OK to close the window.

Change the system locale setting

  1. If not already installed, install the operating system MUI that matches your localized version of [!INCLUDE ssNoVersion].

  2. In Control Panel, open Regional and Language Options.

  3. On the Advanced tab, for Select a language to match the language version of the non-Unicode programs you want to use, select a value from the list.

    This setting allows [!INCLUDE ssNoVersion] Setup to choose the best default collation for your [!INCLUDE ssNoVersion] installation.

  4. Select Apply to confirm the change, and OK to close the window.

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