CIPHALTTAL
What dont you understand about "single language"? You cannot change the language. Remember Google is your friend.
Hello Can I please have a link to the arabic Language,
You cant add display language package to the Windows 8.1 single language.
If you want to add the display language package, please upgrade to Windows 8.1 pro.
Please take a look at the following thread similar to this issue.
http://answers.microsoft.com/en-us/windows/forum/windows_8-windows_install/upgrading-options-from-windows-8-single-language/c88d5d8e-328b-4875-8ef0-0d49c8931c24
Best regards,
Fangzhou CHEN