Supports Windows XP SP3, Vista SP1, or Windows 7 and later.
If you have the Arabic language pack installer file (e.g., an .exe file), follow these steps: microsoft office 2010 language pack arabic install
Since Microsoft no longer officially sells these packs, you may need to find existing installers from your original purchase history or reputable third-party archives. Step-by-Step Installation Guide Supports Windows XP SP3, Vista SP1, or Windows 7 and later