OS Commerce Version upgrade + custom designed template (English & Chinese)

Our website need to be live soon. Currently under OSCommerce 2.3.1 and try to update to 2.3.3 but it crashed and messed up. Website requirement: 1. Upgrade to OSCommerce 2.3.3 ( have to fix the problem. we cannot login to admin page (Not found message pop up) when we switch from 2.3.1 to 2.3.3 2. Re-design website template (Will provide hand-drawn layout and Website refer to ) 3. Website color theme must match to our Logo as attached. (We sell natural, organic products. So, green is the main color) 4. Multi language need to be supported. Currently is under English and Traditional Chinese. I want to add Simplified Chinese as well. [login to view URL] be easy to manage website. (I'm not an IT person, it must be simple for me to add products & info and editing other info on this website.- tutorial may needed) 6. Must include discount code, find us on facebook, SSL, etc. ( Please suggest me what other add-on may needed) Bidders must be expert on OSCommerce and patient to me ( Sorry, I'm not very good at IT stuff. It may take me couple time to understand it :) Control Panel details will be provided upon for the bidder who successfully win the project.