Beginner needs help with installation on zeus

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Hi everyone.
i wonder if someone can help me out? i have been building a website using very basic HTML, but someone suggested a CMS builder such as Concrete and explained what it could do and it sounds perfect.
i want to have a practice behind the scenes while the current site is still active.
the server i am using turns out to be Zeus, and i think that i am having trouble with the mod_rewrite/rewrite.script element and i am getting 404 page errors, this is all new to me and i wont lie i dont have a clue were to start, i have done some research and tried some scripts that i have found using a .script file uploaded to the route folder, the apache convertor on the host sites control panel and the online rewrite.script input box also in the control panel, nothing has worked. the Concrete documentation says there is a way for this to work, i just cant make it do so. i am trying to install this in a sub directory. any suggestions or code samples that are known to work, i have been trying this for 3 days now and its driving me potty, please help. Thanks in advance.