Want this question answered?
Older Windows versions: Click 'Start' in the bottom-left. Windows 7: Click the round button on the bottom-left that has 4-coloured squares in it. Windows 8: The start menu has been replaced for a Start Screen, which appars when you turn it on.
A virus is a piece of code that attaches itself to a program or file so it can spread from computer to computer. They can also try to damage your software, your hardware, and your files. To protect your PC from virus, you'd better enable one antivirus program on your computer.