share a preview of a new template im designign

hi all .
im creating a new website from new template, have premium account with domain. now i want to share to my client preliminar results of de new design without make it public. 
going templates, click on right arrow, to preview, only works for me, and not allow me to share without let them log in into my account

thanks

Hi. You can setup site password & share url.

Or you can add them as a contributor.