Can I run Heavyocity products in the free Kontakt Player? Heavyocity Support December 12, 2025 15:23 Updated Follow Yes, all of our Kontakt-based instruments can be run in the free version of Kontakt, available here. Related articles Downloading & Installing a Kontakt Library with the Heavyocity Portal I’m not happy with my purchase. Can I get a refund? Do I need to own GRAVITY to use the Gravity Packs? I purchased a product, but haven't received any download information. Where is it? Where can I find my serial number?