A "highly compressed" version (often referred to as a "repack") uses advanced data algorithms to shrink the game's installation files.
Open the setup.exe file. Highly compressed games may take longer to install because the CPU must "decompress" the data. download-the-long-dark-game-for-pc-highly-compressed
Once the installation reaches 100%, launch the game from the desktop shortcut. A "highly compressed" version (often referred to as