A turbo is a special tool that helps your computer work faster. Imagine you are running in a race, but then you put on special sneakers that help you run faster. That's kind of what a turbo does for your computer.
When you use a turbo software, it makes some changes to how your computer works. It tells your computer to use its resources in a more efficient way, kind of like a coach teaching you how to run.
This can help your computer run programs and games faster. It also helps your computer not get overloaded and slow down.
So basically, a turbo software is like special sneakers for your computer that make it run faster and better.