|OS = Operating System. In other words, which version of Windows? 98, 2000, XP, Vista, 7?|
Specs = specifications. In other words, the list of hardware used in your computer. Motherboard, CPU, memory, hard drive, CD/DVD drive, power supply, etc? If you don't know, could you at least provide the model number of your Presario?
"I really don't know about anything you're talking about"
You don't know where the "My Computer" icon is? You don't know how to find the CD/DVD drive in the "My Computer" folder? Have you ever used a computer before?