An ISO file (often called an ) is an exact digital copy of an entire optical disc, such as a DVD or Blu-ray. When you download a PC game in ISO format, you are essentially getting a virtual clone of the original physical retail disc. This format is preferred because:
Select . A new virtual drive letter will appear in "This PC." pc+iso+games+download+updated
: Useful if you need to burn the ISO to a physical disc or create a bootable USB. An ISO file (often called an ) is