The easiest method to bring your free earned kits into Artisan® 6 is by using the software's "Import Purchased Items" button. You can read this article to see those specific steps.
Curious what free kits you received with your purchase of Artisan 6? You can read this article then compare to your FOREVER account Downloads area to search for those names.
If you're running into any issues importing your kits into Artisan, please reach out to FOREVER® Client Care at support@forever.com or 1-888-FOREVER (367-3837).