Microsoft Windows Client Language Pack x64 en-us .cab — Overview

Step 2: Add the .cab file

Method B: PowerShell (Newer, Scriptable)

Sometimes Windows Update fails. The "English pack" might become partially installed, leading to a mix of English and a previous language. Manually applying the .cab using DISM (Deployment Imaging Service and Management Tool) can force a reinstallation.

Microsoft-Windows-Client:

Indicates this is for a consumer/workstation version of Windows (like Windows 10 or 11), rather than a Server edition. LanguagePack: Specifies the purpose—adding a UI language.

Command Prompt as Administrator

Open and run: