GIMP is the most famous open-source alternative. While its interface is clunkier than Photoshop 6.0, it is incredibly powerful.
If you just need the "Adobe name," Adobe offers a free version of Photoshop for mobile and web. It lacks the granular control of version 6.0 (no pen tool, no channels), but it is legal, safe, and modern. download adobe photoshop 6.0 free full version
: If you previously purchased a license for Photoshop 6.0, you may still be able to use it if you have the original installation media (CD-ROM) and serial key. GIMP is the most famous open-source alternative
Released in September 2000, Photoshop 6.0 is old enough to vote, drink, and rent a car. Yet, two decades later, thousands of users are still hunting for this specific relic. Why? Is it better than modern CC (Creative Cloud)? Is it lighter? Is it actually free? It lacks the granular control of version 6