To change number, currency, time, and date settings
Open Regional and Language Options in Control Panel.
On the Regional Options tab, under Standards and formats, click the locale whose date, time, number, and currency format you want to use.
To open Regional and Language Options, click Start, click Control Panel, click Date, Time, Language, and Regional Options, and then click Regional and Language Options.
Click Customize if you want to change individual settings for date, time, numbers, or currency.
To select an East Asian language or a complex script and right-to-left language, you must install the files for those languages. For more information, click Related Topics.