Microsoft-windows-client-language-pack-x64-en-us.cab a Windows Cabinet (.cab) file used to install the English (United States) language pack on 64-bit (x64) versions of Windows

Go to Settings > Time & Language > Language & Region. If “English (United States)” shows as available but not as the Windows display language, click the three dots next to it and select “Set as default.”

dism /image:"C:\mount" /add-package /packagepath:"C:\langpacks\Microsoft-windows-client-language-pack-x64-en-us.cab" dism /image:"C:\mount" /set-uilang:en-us

Most consumers never manually touch a .cab language pack. However, advanced users encounter this file for several critical reasons:

– Subscribers can download official language pack ISOs that contain multiple .cab files.

If you have an internet connection, you don't need the manual file. You can install it directly through Windows: Time & language Language & region Add a language and search for English (United States)

dism /online /add-package /packagepath:"C:\Path\To\Microsoft-windows-client-language-pack-x64-en-us.cab" Use code with caution.