Not quite sure if you need the ' drivers ' for this Keyboard .
You've got to register to get the ' Driver Download '
For Software ....
Standard, software, quiet acoustics and replace components. View and download dell sk 8135 - keyboard usb multimedia user manual online. 13-11-2019 dell kb522 has a user manual you covered!
This is the website I found this information.....
https://ld.buceotek.com/dell/dell-keyboard-w5im31/
You can also try here .........
https://www.keyword-suggest-tool.com...22+user+guide/
Col.....