If you are upgrading your computer from Mac OS X 10.4 (Tiger) to 10.5 (Leopard), the upgrade should be seamless.
If you are doing a clean install of Leopard (i.e. wiping the hard drive first) or you want to back-up your ComicBookLover data before upgrading, you should back up the following folders and files:
- HOME/Library/Application Support/ComicBookLover
Once Leopard has been installed, simply copy the files to their original location.
As always, if you have any questions, e-mail firstname.lastname@example.org.