doesn't use a standalone "driver" file in the traditional sense; instead, it relies on . This software allows you to customize your F-keys and hotkeys. Visit the Logitech Support Website Search for " " or "K260."
Post-update, the Unifying Receiver's polling rate increased from 125Hz to 133Hz (8ms to 7.5ms). This is not officially documented by Logitech but was observed via USBlyzer. logitech k260 driver updated