: This file extension indicates that the file is an ISO image, which is an archive file of an optical disc. An ISO file is essentially a snapshot of a CD, DVD, or Blu-ray disc, containing all the data from the disc in a single file.
Most repacks include a "QuickSFV" or "Verify Files" tool at the end. Run it to ensure every high-definition texture and audio file decompressed correctly. Install Redistributables: If the installer asks to install DirectX or Visual C++, say Mortal Kombat X Complete Edition -BR-Repacks-.ISO