SK6X/AK84Driver Version: 6.0.0.51
Compatibility: WindowsXP, Win7, Win8,  10 Compatible, Mac OS
Products: YUNZII SK61, YUNZII SK61S, YUNZII SK64, YUNZII SK64S, YUNZII SK71. YUNZII AK84
With the software you will be able to create, control and save into the keyboard’s memory all the functionality of your keyboard, including RGB Light effects, Macros, And any other customizations that you might desire. Changes applied in the software are carried on to other operating systems.

KC84(Keyboards: KC84, KC84 PRO, KC84S, Macaron, Rainbow
Driver Version: 6.0 (keyboards before November 2021
                      Compatibility: WindowsXP, Win7, Win8, 10 Compatible)

The new version starts on sale in November 2021. If your keyboard was purchased in November 2021 or later, please download this software. This file contains two softwares. Please download and run the upgrade software firstly, and then download and run the second customize software. 

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KC84Driver Version: 5.0.0.36 (keyboards before November 2021)
Compatibility: WindowsXP, Win7, Win8, 10 Compatible
Products: KC84, KC84S, Macaron, Rainbow
With KC84 software you will be able to create, control and save into the keyboard’s memory all the functionality of your keyboard, including RGB Light effects, Macros, And any other customizations that you might desire. Changes applied in the software are carried on to other operating systems.

(PS. there are 2 softwares linked below. We suggest you to download the second one if you bought the keyboard after Feb, 2021. If the software can't work, then please download the first one. For more help, please send us message to support@yunzii.com) 

K620T(ONLY FOR K620T)
With the software you will be able to create, control and save into the keyboard’s memory all the functionality of your keyboard, including RGB Light effects, Macros, And any other customizations that you might desire. 

KC68(KC68, KC68 PRO)
With the software you will be able to create, control and save into the keyboard’s memory all the functionality of your keyboard, including RGB Light effects, Macros, And any other customizations that you might desire.