Summary: How to correct Rhino 5 display language
I installed a non-Chinese version of Rhino 5, but it runs in Chinese.
The Rhino 5 language pack installation failed.
Rhino can not find C:\ProgramData\McNeel\Rhinoceros\5.0\Packages\localization (Your language).rhi (on Windows Vista/7/8) and it loads Chinese translations from:
C:\Program Files (x86)\Rhinoceros 5\System\Languages\1028.xml
or C:\Program Files\Rhinoceros 5\System\Languages\1028.xml
Note: On Windows XP, localization (Your language).rhi is under C:\Documents and Settings\All Users\Application Data\McNeel\Rhinoceros\5.0\Packages\.