how do i change the skin of my forum? i tried the export button but it didn't work, instead i got this following error:

Export Themes

The exporter could not write the theme information file. Click the button below to download this file with your browser. Once you have downloaded it you can transfer it to the directory containing the template files. You can then package the files for distribution or use elsewhere if you desire.

Download

shld i d/l the file? if so where shld i put it? i am so lost!! kind souls pls help!!