This is a single file that archives the entire contents of an optical disc. On modern Windows systems, you can simply "Mount" these files as virtual drives to begin installation.
Note: For those who previously owned the "Games for Windows – Live" version, Capcom allows for a free redemption of the Steam version. Resident Evil 5 on Steam Resident Evil 5-PC- English ISO Torrent
Always scan the downloaded folder before running any executable files. This is a single file that archives the