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The easiest way to get language packs for Windows 8.1 and Windows RT is to download and install them using the Language Control Panel. Download and install additional languages to view menus, dialog boxes, and other user interface items in your preferred language.

Find out what languages are supported by Office on your device/OS.

Regional format settings in Excel affect dates, currency, formula delimiters and more. If you are using your organization account, the default regional format settings in Excel for the web are the site regional settings of the SharePoint site where the Excel workbook is hosted.

In the search box on the taskbar, type device manager, then select Device Manager from the menu.

Under the Windows 7 Language Packs category,select the desired language pack. Note If you install many additional language packs, the disk space and the system performance are affected. In particular, disk space and system performance are affected during servicing operations, such as service pack installations.

Language tag. Coverage. af-ZA. Afrikaans in all locations. bs-Latn-BA. Bosnian, in Latin, in all locations. ca. Catalan in all locations. cs. Czech in all locations

To download and install a language pack in Control Panel, follow these steps: Swipe in from the right edge of the screen, and then tap Search. (If you are using a mouse, point to the upper-right corner of the screen, move the mouse pointer down, and then click Search.)

To download and install a language pack, follow these steps: On the Start page, type language, and make sure that the search scope is set to Settings. (The screen shot for this step is listed below).

Using formulas in calculated columns in lists can help add to existing columns, such as calculating sales tax on a price. These can be combined to programmatically validate data.