To download and install the Arabic language pack for Windows 10 64-bit offline, you need to obtain a

After installation, you must manually set Arabic as your display language: Language packs for Windows - Microsoft Support

Dism /online /Add-Package /PackagePath:C:\path\to\arabic_lp.cab Super User Step 3: Apply the Language

: Specialized users can download a "Multi-Language ISO" from Microsoft's Azure portal which contains files for all supported languages. Community Repositories

If you do not have access to official enterprise portals, you can use these methods to find the necessary files: Microsoft 365 Accessory Packs

: For Office-specific Arabic support, you can download 64-bit installers directly from Microsoft Support Language Pack ISO