Both ISTA-D and ISTA-P support multi-language, including:
ISTA Multi-language available in diagnosing (ISTA-D), programming (ISTA-P) and TIS diagram circuit: British English, German, Spanish, French, Italian, polish, Portuguese, Turkish, Czech, Swedish, Dutch, Indian, Greek, Russian, Simplified Chinese, Traditional Chinese, Japanese, Korean and Thai.
Run ISTA language pack on desktop and choose language you desired: