What is and why should you have AntiSpyware software

What is spyware and what can we do to try to stop it?

Spyware is software designed to watch your machine and gain information from it. There are some software below to hopefully find it is it is every on your system.
Malwarebytes Antimalware Free
Spybot Search and Destroy
Trend Micro HiJackThis
SuperAntiSpyware Free

Trend Micro HiJackThis is more dangerous than the others. It should only be used by someone who is really sure of what they are doing. Malwarebytes is the simplest to use out of this list.