How to Disable Microsoft Touchpad in Windows 11

Step 1: Right click the Start button on the taskbar.

Step 2: Select Settings.

Step 3: Choose Bluetooth & devices.

Step 4: Scroll down if necessary, and select Touchpad.

Step 5: Select the Touchpad toggle to turn it off.

Credit : https://www.lifewire.com/disable-touchpad-windows-11-8757562