Defense Against Spyware and Parasites

To have an idea about spyware, parasites and other malware navigate through this blog(Glossary) .
Steps that should be taken to ensure that your computer is protected.
These steps doesn't mean that the system will be completely protected it will only minimize the threats to a large extent.
Steps:
1. Install a good anti-virus program.
2. Install Spybot Search and Destroy.
3. Install Microsoft Anti-Spyware.
4. Keep everything up to date
Always remember that Prevention is better than cure.