Currently we detect the language based on a browser settings. Then after you choose a language at a top-left corner of any web-site page it is stored in cookie for 1 year. By default, if we can not determine the language from your cookie/browser settings we set English language as default one. If it works not in this way for you, please, provide to us more details about your OS, Browser and, if possible, send us your User-Agent string.
Thank you in advance,
Mike