Convert a Template to a Website

I post this project many times here, but rare people can help me, so this is my final project here, hope any one can help me. I have a good wordpress theme, but have no knowledge customising, my requirements so simple, so this project must be completed in 3 days. 1. the important one is the price page, if you want view this price page, you must log in, on this page, you can down load the price documents. 2. the multi-language support. 3. I have installed the theme in wordpress, at [login to view URL], for the all website style, you can refer to [login to view URL] my theme source is from [login to view URL] 4. show me how install the video background and the how apply the font awsome icon. many thanks.