If you want the "Complete" experience, look for this bundle. It includes Episode One , Episode Two , and Portal . 2. The "Complete" Update
If you already own the base game, you actually have the "Complete Edition" now! Valve recently updated the game so that are all included directly in the main Half-Life 2 launcher. You no longer need to download them as separate titles. 3. Half-Life 2: Update (Free Mod)
If you own the game, you can download for free on Steam. This is a community-led project that fixes bugs, improves lighting, and adds a "Commentary Mode" without changing the core gameplay. 4. Demo Version
Since you're looking for a "Free Download" of , it's important to know that while the game isn't officially free-to-play, there are legitimate ways to get it or experience it without a huge cost, especially with the 20th Anniversary updates.
Valve often runs massive sales where Half-Life 2 drops to .
Be careful with sites offering "Free Full Downloads" outside of official stores like Steam or GOG. These often contain or outdated versions that won't work with modern Windows or Steam Deck.
Here is a helpful breakdown of how to get the most out of the "Complete Edition" experience: 1. The Official Source (Steam)