Sometimes our son's index finger clicked the right mouse button when he intended to click the left mouse button. I searched but could not find a one-button mouse for a PC. I found the "Kensington Mouse in a Box Mac" which uses a USB port, works on a PC. No software had to be installed.
Our setup uses Windows XP. It may work on other systems where the computer has a USB port.
We left the regular two-button mouse attached to the mouse port in case someone else wanted to use the system and needed to use the right mouse button. Our system automatically detects which mouse is being used.
This is not an endorsement for Kensington, nor do we have any ties to them. Perhaps other one-button Mac mouses using the USB port will work, too.
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