Adobe does not provide official downloads for Elements 3.0 because it is too old to be supported on modern operating systems.
Adobe Photoshop Elements 3.0 was launched in 2004 as a streamlined version of Adobe Photoshop CS (Creative Suite). It targeted hobbyists, amateur photographers, and home users who needed powerful editing features without the complexity — or price tag — of the full Photoshop. adobe photoshop elements 3.0 free download full version
Photoshop Elements 3.0 was well-received for its balance of features and simplicity. It's an excellent tool for: Adobe does not provide official downloads for Elements 3