What is the 1st thing Id do when opening photoshop on a comp I have ? ... Would go, wth, howd this get installed ? Then Id shut it down and open gimp, lol. Which I barely know how to use, may not be as good as PS in some ways. But big time advocate of opensource, lol.
Just being a dork nevermind.
PS,
http://www.gimp.org/
http://gimp-savvy.com/BOOK/