Here are some trusted security tools that you can install in your Windows 7 PC: -

· Immunet 3.0: www.immunet.com/main/index.html

· Norton 360: us.norton.com/360/

· Kaspersky: www.kaspersky.com/

· Bitdefender: www.bitdefender.com/

· Avast: www.avast.com/index

· Avira: www.avira.com/en/avira-free-antivirus

· … Read more