You must download the language pack architecture (32-bit or 64-bit) that matches your current Office 2016 installation. Operating system architecture does not dictate this choice; an operating system can run 32-bit Office.
The installation wizard will guide you through the process. Simply follow the prompts to install the language pack on your computer. microsoft office 2016 language pack serbian
Click on in the "Display Language" list and click the Set as Default button. You must download the language pack architecture (32-bit