If you manage many PCs, you can automate the using command-line switches.
If errors occur, try redownloading the package or repairing your Office installation via the Control Panel > Programs and Features . Install the Language Accessory Packs for Office 2016 office 2016 arabic language pack install
Select the version that matches your Office architecture: or 64-bit (x64) . If you manage many PCs, you can automate