Help with photoshop see attached file

I need help modifying the picture in the file and saving it to many color. See file for instructions. the final result should be in like in this link only showing the kithcen and not wall system. [login to view URL] The background should be more neutral this is the link for the original photo: http://sorenrose.com/#/Furniture/Reflect+Cph/229/ Please make a bid and ask questions if needed