Ok well I got the radiant 15 downloadedON MAC, but when I open it, nothing happens, the screen does absolutley nothing, suggestions or explanations?
Do you have X11 installed?
nope...
why, the computer doesnt have enough memory for it
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I'm pretty sure that it's required to run GTK Radiant, you're out of luck with that program if you can't install X11. I suggest looking into removing unused fonts of other languages, deleting files and apps that you don't need, or possibly purchasing a larger hard drive.