ok im trying to get PS 7.0 back on my comp since well CS2 isnt working too good, but every time i choose setup nothing loads, heres a ss of the folder incase something is missing... please help , yes click the image there to show it then in the link click to load it fully.
You may also have to remove any old PS files out of the registry to completely get rid of any other installs.
uninstall cs2 because it seems as though you have all the necessary files and do what hydrogen posted and it should work