If you need to move your EMD installation to a new computer, simply download the evaluation of the program, then move the campaign.sto, the campaignlists.sto, and the content folder from the old installation to the new. Your SN, campaign configurations and email lists are stored in those files. Your HTML messages are stored in the content folder.
On Windows XP, the location for those files is usually:
On Windows 7, the location is typically:
You can use the search feature in Windows Explorer and search for .sto. If you don't see anything, you may need to unhide the programdata folder or simply copy and paste the file path into Windows Explorer.
If you want the old Logs, you can move that folder as well.