If you're already a user of an earlier version of Kontakt, you may be eligible for an upgrade or cross-grade to Kontakt 8. Native Instruments offers a range of upgrade and cross-grade options, including a free upgrade for users of Kontakt 7.
: A new Default View with a side-pane navigator for faster browsing of instruments, loops, and tools. System Requirements (Win/Mac) Native Instruments Kontakt 8 -WiN-MAC-