Many in the retro community argue that abandonware is a gray area, but Half-Life is not abandoned. A more responsible approach: buy the legitimate Half-Life Complete pack on sale (usually $5–10), then download the KaOs repack for archival purposes. Your ownership is validated, and you aren’t harming developers.
If you are a fan of immersive storytelling, revolutionary physics, and crowbar-swinging action, the Half-Life Complete Collection Half.Life.Complete.Collection.REPACK-KaOs
By bundling everything, users don't have to hunt for old expansions or ensure their versions of Blue Shift or Opposing Force are compatible with the base Half-Life installation. The Significance of the Half-Life Saga Many in the retro community argue that abandonware