1). the maximum number of address books that can be created in the free version? eg I'd like address book 1 to manage 3 PCs at one location, while address book 2 manages 6 PCs at another location, etc.
2). the maximum allowed connections in an address book (free version)?
The license count limitation applies to all records across all your address books. For the free license this limitation is 10. You can create as many address books and put as many records in an address books as you wish so long as it respects the total limitation.