As you use internet and install new programs downloaded from the internet and accept file transfers, it is more likely that your PC will get spyware infection. But then can you really do without them. If the answer is no then you must install an anti spyware program to protect yourself from the malicious activities of the spywares. The
spyware detection feature of these anti spyware programs detect the spywares that are hidden within the freeware and shareware programs and protect your PC from spyware infection.