To get the Arabic language pack working correctly with your existing Office 2010 installation, follow these general steps:
Microsoft Office 2010 remains a staple for many users who prefer its classic interface and lower system requirements compared to newer subscription-based models. For users in Arabic-speaking regions or those working with international clients, the Microsoft Office 2010 Language Pack Arabic is an essential add-on. This article explores the purpose of the language pack, the implications of using patched versions, and how to properly configure your office suite for Arabic support. The Significance of the Arabic Language Pack
Compatibility Check: Ensure the language pack version (32-bit or 64-bit) matches your installed version of Microsoft Office 2010.
Installation: Run the setup file. If using an official installer, you may be prompted for a product key specifically for the language pack.