Are you planning on getting a new PC? Dell, HP, Lenovo, Toshiba, the list goes on. Regardless of the make and model, your top priority is to keep that new PC secure.
Thus, the use of security software (antivirus, antispyware and firewall protection) is highly recommended to protect you or your loved ones when you begin to surf the internet.
The good news is that if you are tired of spending a lot of money on a computer, there are some good and totally free security utilities and at least one of them is bound to suit your needs.