The main story takes roughly 12 hours to complete.
You can download the full, updated version of Half-Life on Steam . This version includes the 25th Anniversary Update , which restored original content, added modern fixes, and includes the "Uplink" mini-campaign. download-half-life-1-game-for-pc-full-version
Half-Life changed gaming forever in 1998 by proving that a first-person shooter could tell a cinematic story without ever taking control away from the player. The main story takes roughly 12 hours to complete
For a safe and reliable experience, the official platforms are your best bet. Because the game is older, it is often available for a very low price (sometimes under $1.00 during seasonal sales). which restored original content