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Odd, Cheryl.
Someone needs to be physically in front of your Mac,
or, you personally need to add your Admin password to allow any keystroke logger to be installed.

Very odd on a Macintosh

it was my windows laptop, not sure if that makes a difference? I hate tech lol

It does make a difference. HUGE difference!
You would have been world famous as the first person ever hacked on a Mac, in this fashion.

lol then maybe I should get a Mac! sounds much safer! xD