No idea, they said other languages would follow soon. I believe it's just English for now. (Maybe French and German too? But pretty sure just English, someone correct me if I'm wrong)
Totally off topic but has anybody figured out how to print from the insider's hub? Emailing it elsewhere doesn't work either.
As we’ve already announced, on July 29th, Cortana will debut on Windows 10 in seven countries: the U.S., UK, China, France, Italy, Germany and Spain. Today we’re announcing that over the coming months, Cortana will be available to customers in the Windows Insider Program in Japan and Australia, and in English in Canada and India. Later this year, Cortana will also be available to Windows Insiders in Brazil and Mexico, and in French in Canada. ... lobo11