In English

Piximetre is working in two languages: French and English.
By default, the language is automatically selected according to Windows.
You can change the language in Parameters, Advanced...

The online tutorial is only available in French. However, Bharati Mandapati of Berkeley, California, took the time to Google Translated the pdf manual into English. She generously makes it available to us here. I express my sincere thanks to him.

Another English-speaking users, BORIS ASSYOV on its website boletales.com, has produced a short but sufficient presentation in English which can help you quickly get started with the software. It concerns an earlier version but the main is. Thank you to Boris: see here.