how do I get folders from EMclient old computer to load to Emclient new computer?

Use the EmClient backup feature in the old pc  and then move the bckup file to the new pc and then restore.

It is best to be using the same major version of EmClient in both pc’s 

Menu - File - Backup. in old pc    notice where the file goes

Install  Emclient  on new pc

Move the backup file to new pc

Menu - File - Restore      point to the file you just moved

Note restore does not restore any Tailored themes in Version 7  

Location of older releases if you need it