Users can find language pack ISOs (for version 2004 or later) on certain Microsoft Learning pages . Once downloaded, mount the ISO to find the specific lp.cab for English (e.g., en-US or en-GB ).
To complete an offline installation, you need the language pack file ( .cab ) specifically for your Windows 10 version (e.g., 22H2, 21H2). windows 10 english language pack offline installer