Hello everyone
I try to install, i falling every steps ans not result! I'm so sad ans upset

We really need more details to help. Also review this if you haven't (and you should):
https://www.zenphoto.org/news/installation-and-upgrading/
https://www.zenphoto.org/news/requirements/

If really everything fails on running setup your webhost is either not compatible or not configured properly. On setup there are notes about everything that fails. Please contact your webhost about that.