Installing and configuring the language packs
The above download links give you an executable file (.exe). You just need to run the file in order to install that specific language pack. Please note that you will need to be connected to the Internet in order to install any language pack. Once installed, you will need to change the language options in order for that language to take effect. Follow the steps below to configure newly installed language packs:
1. Open any Office program and then click File –> Options –> Language.
2. There are three different boxes to configure. The first is for selecting the Editing language. Make sure the language of your choice is enabled.
3. The second box shows the display languages. By default, the system language is the default. You can select any other installed language and set it as Default.
4. The third box is the Help language box. Select the language appropriately and set it as your default.