In computers, a utility software is a small program that provides an addition to the capabilities provided by the operating system. In some usages, a utility is a special and nonessential part of the operating system. The print "utility" that comes with the operating system is an example. It's not absolutely required to run programs.

But it help you to use some of computer function easily and it help to make your computer fast by removing junk file & unnecessary file. Most of the software are free.

Top 5 PC System Utilities Software:

1. Kingsoft PC Doctor.

2. TuneUp Utilities 2014.

3. MAGIX PC Check & Tuning.

4. Systweak Advanced System Optimizer.

5. iolo System Mechanic 12.