This version is not the Steam version, the Steam version is the one that comes with English subtitles. here you can find it.
https://www.anime-sharing.com/threads/%E2%98%84%EF%B8%8Frelease%E2%98%84%EF%B8%8F-240426-38045-production-pencil-tutor-x-hypnosis-1-2-deluxe-set-jpn-chn-eng.1477196/