usually on hp laptops the prtsc option is only available through use of the [fn] button. press the [fn] button on the bottom left in between the ctrl and windows home button and then press the [prt sc] button on the top right. When you want to take a screenshot, press the print screen button. This button can be located next to the F12 button. If you want a screen shot of the currently open window, then press alt + print screen. Then go to an image editor, and press ctrl + v. You can use the paint program that comes with most computers.