Windows XP Professional Product Documentation Customizing your computer Date, time, region, and language Region and language Language bar overview Common tasks: Regional and Language options Switch languages or keyboards from the taskbar Switch languages or keyboards from the Language bar Change the way your computer displays numbers Change the language used for menus and dialog boxes Change number, currency, time, and date settings Regional and Language Options overview Using the euro as your currency Change the way your computer displays currency values Customize key sequences for input languages Display non-Unicode programs in their native language Text services overview Turn text services off or on Install East Asian language files Install complex script and right-to-left language files