The installer will copy necessary files for Arabic display, help, and proofing tools.
If you encounter a persistent error, consider migrating to a newer version of Office or a free alternative that includes modern Arabic support without the complex deployment steps. For those who must keep Office 2010, this guide provides the most reliable path to success. microsoft office 2010 language pack arabic install
Once installed, you must activate the language within the Office suite: The installer will copy necessary files for Arabic