1.Remove the screws from the frame and pull off the keycaps (Skip this part if you have a plastic frame version keyboard.)
Screw type for K10 frame: KB2.5*5mm (Inner hex:H2mm. Hex nut:Ф4.2mm)
2.Take out all the side frames
3.Remove the screws on the PCB (Total 20 pcs) as shown in following image.
Screw Type for K10 plate: KA2.3*8mm (Cross head screw. Nut:Ф3.5mm)
4.Then use tools like slider or screwdriver to carefully pry the PCB board open. (Note: Please be careful of the toggles on the side when you disassemble the keyboard and reassemble it.)