Most users change languages via Settings > Time & Language > Language & Region. Windows Update automatically downloads the necessary files. So why would anyone manually hunt for a .cab file?
There are three primary scenarios:
The file name is actually a highly descriptive string that tells us everything we need to know about its contents: microsoftwindowsclientlanguagepackx64enuscab
In plain English: This is the compressed archive containing the English (United States) display language files for a 64-bit version of Windows 10 or Windows 11.
Before diving into installation procedures, it is essential to understand what this file actually is. The name microsoftwindowsclientlanguagepackx64enuscab follows a strict naming convention used by Microsoft Update Catalog. Let’s break it down: Most users change languages via Settings > Time
Summary: This is a signed cabinet file containing the US English interface translation for a 64-bit Windows 10 or Windows 11 client operating system.
DISM /Online /Get-Packages | findstr "LanguagePack"
For Windows 10/11 version 1809 and later: In plain English: This is the compressed archive
Add-WindowsPackage -Online -PackagePath "C:\temp\microsoftwindowsclientlanguagepackx64enuscab.cab"
Set-WinUILanguageOverride -Language "en-US"
Set-WinSystemLocale -SystemLocale "en-US"
Set-WinUserLanguageList "en-US" -Force
Restart-Computer
You cannot double-click a .cab file to install it. Windows handles these via deployment tools.