HKCU\Control Panel\International

Data type Range Default value
REG_SZ locale ID For U.S. English: 00000409


Specifies the locale selected by the current user. The locale ID identifies the geographic variation of the spoken language chosen by the user. The chosen locale determines the default values for all other regional preferences, such as how dates and times are formatted and the symbols that are used in currency.

Change method

To change the value of this entry, double-click Regional Options in Control Panel. Click the General tab, and then make a selection from the Your locale (location) drop-down list box.