--IFS Applications On Windows mode like localize.exe etc
use environment variables through NLS_LANG (Start > Control Panel > System-Advance)
--PLSQL etc tools in windows use environment variables
through the Registry Editor (Start > Run > Regedit).
More examples:
NLS_LANG = AMERICAN_AMERICA.WE8MSWIN1252
NLS_LANG = TRADITIONAL CHINESE_TAIWAN.ZHT16MSWIN950
NLS_LANG = SIMPLIFIED CHINESE_CHINA.ZHS16GBK
NLS_LANG = VIETNAMESE_VIETNAM.VN8MSWIN1258
NLS_LANG = JAPANESE_JAPAN.JA16SJIS
