We have automatic cloud sync of sticky notes that will not require you to manually copy notes data between the PCs. You can setup a cloud account from Notezilla so that sticky notes are automatically synced with other devices including your Android or iPhone.
To get a clear picture refer the blog article : http://www.conceptworld.com/blog/index.php/syncing-sticky-notes-between-computers-on-windows/
Following is the manual way of having same data on both PCs.
Simply copy the Notes8.db ( Notezilla 8) or Notes9.db ( Notezilla 9) file from one computer to another.