The search term "highly compressed install" refers to repacked ISO files that have been stripped of dummy data, re-encoded videos, and compressed using algorithms like CSO (Compressed ISO) or specialized repack tools.
: If the file is compressed (e.g., .rar, .7z), you'll need software like WinRAR or 7-Zip to extract it. Right-click on the file and choose your extraction software to unpack it. The search term "highly compressed install" refers to