Microsoft does not publicly host direct HTTP links for standalone .cab language pack files for consumer versions of Windows 10. The safest and easiest way to get the offline files is to download them on a PC with internet access and transfer them.
Microsoft provides .cab files for offline use via: windows 10 chinese language pack offline download
Trusted tech communities often maintain curated lists of direct links to Microsoft's update servers for specific .cab files. For example, GitHub Gists often list links for build-specific packs like zh-CN (Simplified) or zh-TW (Traditional). 2. How to Install the Chinese Language Pack Manually Microsoft does not publicly host direct HTTP links