Warning: Do not download from random "free language pack" websites. Many are infected with malware targeting older Office versions. Use a Volume License or trusted MSDN archive only.
If you are an IT administrator deploying this across a network using the Office Customization Tool or a silent install script, you can modify the Config.xml file located within the Arabic language pack folder (e.g., ar-SA ). microsoft office language pack 2016 -arabic- -64-bit-