How can I find out if there is a spy ware on a computer?

A friend of mine lets me use his laptop and I wanted to know whether or not there is spyware or any type of program on the computer that you can check to see what website you have been on. I am familiar with clearing the temporary internet files, but I was wondering about other security systems. I am not very... show more A friend of mine lets me use his laptop and I wanted to know whether or not there is spyware or any type of program on the computer that you can check to see what website you have been on. I am familiar with clearing the temporary internet files, but I was wondering about other security systems.

I am not very computer literate so if the program does not say "spyware", I would not know for sure.
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