Microsoft Office 2016 English Language Pack 64bit Best – Premium

If your Office is Click-to-Run (most retail/Office 365 installers): use the Click-to-Run language pack installer.

If your Office is MSI-based (volume license/MSI installer): use the MSI language pack for Office 2016.

Assuming you have secured a legitimate VLSC image (ISO), follow these steps for a flawless installation:

Confirm Office build type (Click-to-Run vs MSI):

Note installed language(s) and current display language (File → Options → Language).