Most uploads are in .7z or .rar format. These are highly compressed. A 6GB game (like Fable ) might compress to 3GB.
Before understanding the archive, you need to understand the format.
Once downloaded and extracted on a PC, these folders can be dragged and dropped into the F:\Games or G:\Games directory of a modded Xbox.
By using HDD Ready files, you can drag and drop a game folder directly onto your Xbox hard drive over FTP or via a USB-to-Xbox adapter, and it will launch instantly from dashboards like UnleashX, XBMC, or Avalon. The Role of Archive.org in Xbox Preservation
Connect your Xbox to your local home network using an Ethernet cable.