Hi Benjamin,
Here is what I would recommend:
1 – You upload these HTML5 files into a folder on your site via FTP;
2 – You add the iFrame module to a page;
3 – You make the iFrame point to the “Global_01.html” for instance the URL the iFrame should point to would be something like http://www.[MYSITE].com/Portals/0/files/Global_01.html if you upload all files from the zip file into a folder called /Portal/0/files/
Cheers,
Aderson