Check the same LG support page for the specific monitor driver (not just the software).

Download the installer for your operating system (Windows or macOS). Key Features of LG OnScreen Control

Go into your monitor's physical menu (using the joystick) and ensure DDC/CI is turned ON . This setting allows your PC to control the monitor's settings.

If you have two computers connected to the same monitor, this feature allows you to share a single mouse and keyboard across both systems. Installation and Setup Tips

Once you have downloaded the installer, follow these steps to get started:

After installation, a quick reboot is often required for the software to recognize the connected LG display.

While "OSD" stands for On-Screen Display (the physical menu built into the monitor), the downloadable software that mirrors these functions is officially called . Where to Download LG On-Screen Control

Use the original cables that came in the LG box, as some third-party cables do not support data transfer for OSD control.