Welcome the Technical Support section. Help us in assisting you by providing us with a concise and descriptive elaboration of your issues. Be specific and if possible, provide us with a step-by-step instruction in replicating your problem.
you can do it from joomla backend > extensions > languages, overrides, new, and search for any text.
if still cant, please edit your first post at this topic and provide me FTP + cpanel/phpmyadmin access detail.
maybe there is a bug at installation.