Please don't double post, I have removed your second post on this topic. Be sure to read the forum rules found here:
http://forum.x-cart.com/viewtopic.php?t=6489
Your best bet is to move the site to the root instead of in a store/ directory. If not, you will need to use a redirect or splash page to get the customer into the store directory.
META information is changed via General Settings/SEO options.