Connect multiple Logitech wireless devices using same USB receiver
Fix: Logitech Unifying Receiver not Working - Appuals.com
Can I downgrade Logitech K375s keyboard firmware? And is there a way to backup the current firmware on the keyboard before I do so? · Issue #2044 · fwupd/fwupd · GitHub
Logitech Unified Receiver Update - YouTube
Logitech Unifying Software Download - Control center of the Unifying receiver
Download Logitech Unifying Software for Windows - Free - 2.50.25