Look directly on the product’s sticker (under the keyboard, inside the mouse battery compartment, or on the original box).
Despite being from 2021, many users seek out this specific page because newer Havit websites often host "universal" software (like Havit RGB Control) that may not work perfectly with older 2020-2021 peripheral hardware revisions. The 2021 downloads page contains that are no longer listed on the main global site. http www havit hk 2021 downloads