When you choose regional and language settings for your computer, such as your default input language or keyboard layout, you can apply those settings to special accounts in Windows called reserved accounts. Reserved accounts include the default user account and the system accounts. These accounts are described below.
Open Region and Language by clicking the Start button , clicking Control Panel, clicking Clock, Language, and Region, and then clicking Region and Language.
Click the Administrative tab, and then click Copy settings.
If you're prompted for an administrator password or confirmation, type the password or provide confirmation.
Do one of the following:
To copy the current settings to the default user account, select the New user accounts check box. The default account is used as a template for creating new user accounts. This setting allows administrators to set the default format, keyboard layout, and display language for new users. Any user account created on the computer after the settings have been copied to the default user account will have these settings applied. Existing user accounts aren't affected.
To copy the current settings to the Welcome screen and other system accounts (local system, local service, and network service), select the Welcome screen and system accounts check box. The system accounts are special accounts used by Windows services. This setting allows administrators to specify a display language and keyboard layout for the Welcome screen. It also sets the display language for users who haven't specified a display language.