Once you have successfully installed the English language pack, be aware of these limitations:
: Swipe in from the right edge of the screen, tap Settings , and then tap Change PC settings . Select Time and language , followed by Region and language . windows rt 8.1 english language pack download
The download will begin in the background. Windows RT will fetch a .cab file from Microsoft’s legacy update servers. If the download gets stuck at 0% or returns an error (0x80240438, 0x80070005, or similar), Microsoft’s servers are likely offline. Proceed to Method 2. Once you have successfully installed the English language
: Tap Add a language (the plus sign) and select "English" from the list. You may choose between regional variations like English (United States) or English (United Kingdom) . Windows RT will fetch a
: Once installed, return to the language list, tap English, and select Set as primary (or move it to the top of the list).
You cannot download this from Microsoft’s official website anymore. You need a trusted third-party archive of Windows 8.1 RTM language packs.
How to change the operating system language in Windows 8 and 8.1.