Run Setup.exe . Choose "Install as a trial" (counterintuitively, this is correct).
But is it possible to get Photoshop without paying while staying safe and legal? The answer is a nuanced "yes"—but not in the way most people think. You won't find a direct "download" button for Photoshop CS6 on Adobe’s front page, but archives, legal loopholes, and official sources do exist. free adobe photoshop old version
The most famous legitimate free version is (version 9.0). Run Setup