It's been a while since I downloaded it.Unless Adobe have changed things, the serial number should have been right next to the download.
www.redmondpie.com/download-adobe-photoshop-cs2-for-free-legally-while-you-still-can/
(www.redmondpie.com/download-adobe-photoshop-cs2-for-free-legally-while-you-still-can/
JollyJack - a stench from the past,
Tue 21 Feb 2017, 10:13,
archived)