Critically, some hardware elements—like the RGB light under the volume knob—often cannot be changed via software and remain static or cycle through pre-programmed colors. Obtaining and Using the Software
Do not search for "TM680 driver" on Google. You will likely end up with malware-ridden sketchy downloads. Here is the safe path: tm680 keyboard software top
The TM680 usually does not come with a CD. You must download the software from the manufacturer's Google Drive or Dropbox links. tm680 keyboard software top