How do you take pictures like of your avatar on a website without using a camera?

My friend does is she says you have to use paint and some other stuff and press Print Scr __sysRq on the keyboard button i need serious help!
How do you take pictures like of your avatar on a website without using a camera?
%26quot;Print screen%26quot; is a button located on the top right side of your key board. Press it and it will copy the entire screen on your computer. You can then paste it into paint and cut out your avatar.
How do you take pictures like of your avatar on a website without using a camera?
apple%26gt;shift%26gt;4 at the same time and mouse what you need to shoot. when you release the keys or the mouse it will make a snapshot of what you%26#039;ve marked.