What is your php version? 

Thanks Ross for your reply .. ok php 5.4 also support dude said he seen like this befor he suggested I change file from config.php.default to config.php  well I did now the page change when I try install from browser ...

.Warning: require_once(/home1/xxxx/public_html/ow_libraries/vendor/autoload.php): failed to open stream: No such file or directory in /home1/xxxx/public_html/ow_includes/init.php on line 42

Fatal error: require_once(): Failed opening required '/home1/xxxx/public_html/ow_libraries/vendor/autoload.php' (include_path='.:/opt/php56/lib/php') in /home1/xxxx/public_html/ow_includes/init.php on line 42

at least I made I little headway lol

lol I think I just found a problem .. this morning when I wanted the scripts the main download link was broken  .. so I read some forums and some ppl had same problem so somebody posted a link that takes you to another part of the site to download the script and I think the version or maybe just a update that I downloaded. I think this is the problem I see the main download link is now working much bigger file then the one I downloaded this morning. I will clean of my server and reload. I will let you know ..