If you legally own a CS3 license (retail box with serial), you may install the official version from Adobe’s archive, but:
. While the full installer for CS3 Extended originally launched in 2007 for around $999, these portable versions are significantly compressed—sometimes down to as little as 48MB–76MB compared to the GB-sized full installation. Core Features of CS3 Extended full adobe photoshop cs3 extended portable edition repack
Advanced measurement and analysis tools to extract quantitative data from images. If you legally own a CS3 license (retail