What is QMK/VIA? QMK is open-source firmware for microcontrollers that control keyboard. VIA is an extension of QMK firmware designed to simplify keyboard customization process. Source code: github.com/hangshengkeji/qmk_firmware/tree/master/keyboards/rk/R87Pro What are the main functions of QMK/VIA? Customize the function of each key, including but not limited to macro editing, key mapping, backlit mode adjusting and key modifing. How can I get the VIA to customize the R87Pro wired mechanical keyboard? 1.Enter Layout address and download "RK R87Pro Wired mode" file 2.Enter VIA website and connect R87Pro keyboard 3.In "SETTING", turn on "Show Design Tab" and Load layout file in "DESIGN" Layout address: bit.ly/RK_QMK ; VIA drivers: https:/usevia.app/ What are the characteristics of knob design? RK R87 Pro wired mechanical keyboard 's knob is hot-swappable and programmable; Not only can it be used as a multifunctional knob to control the volume, but also can customize the knob function(control rgb effect or speed and so on). Is the creamy switch of this wired mechanical keyboard linear or tactile? The creamy switch is linear mechanical switch, giving you a creamy and smooth sound feeling. Short press Fn+Insert to adjust/turn off the side light backlit of the mechanical gaming keyboard. Cap Lock: Light up while keyboard using capital type Win Lock: Light up while windows locked, prevent windows from popping up when gaming. R87Pro mechanical keyboard adopts secondary molding technology to prevent paint contamination. R87 Pro Wired Mechanical Keyboard*1 Creamy Switches*4 Replace Keycap*1 USB Wired cable*1 Keycap Puller*1 Diseño compacto con 88 teclas, lo que le ahorra más espacio en el escritorio. Reemplaza tu perilla o llave favorita fácilmente.