Hi J.Cisneros, thanks for interested with Cosmos WordPress theme. You can find documentation this link https://themeofwp.com/theme/cosmos/doc/ and you can watch the how to videos this link: http://www.youtube.com/channel/UC72S-DG1fE6ZcEqOHulC_lQ also you can find the xml demo content in the theme options help tab and bundled with the theme files.