Half Life - Source Quadrilogy [fitgirl].zip Direct

Run the setup.exe and select your desired components. Note that installation can take a significant amount of time due to the high level of compression.

The "Quadrilogy" typically includes the following titles, all updated to the latest available engine builds as of late 2019: Half Life - Source Quadrilogy [FitGirl].zip

The is a highly popular community-curated repack that compiles the core "Source" engine era of the Half-Life series into a single, highly compressed installer. Run the setup