Logitech Unifying Changelog
What's new in Logitech Unifying 2.50.25
Jul 26, 2017- Added support for new devices
New in Logitech Unifying 2.10.37 (Oct 17, 2012)
- Windows 8 support has been added.
- Display battery level information and firmware version for newer devices.
New in Logitech Unifying 2.00.43 (Dec 29, 2011)
- This software will allow you to add additional compatible mice, keyboards, and number pads to your Unifying receiver.