How to make a screenshot

For PC Windows system, press down "Ctrl" and "Alt" key, don't let go of these two keys, then hit "PrintScreen" key (usually on the right top-side of the keyboard), For Apple Macintosh system, press "shif," "Command" and "3" key.
After making screenshot, you must open PhotoShop, create a new file (Ctrl+N), then paste your Screenshot on it (Ctrl+V). Now you get the whole screen image. Select the part you need and make it as a new image, save it as jpg. or gif file on your computer.

PC 机Windows系统：按住"Ctrl" 和 "Alt"键，再按键盘右上角的"PrintScreen"键。

苹果机Macintosh 系统：按住"shif" 和 "Command"再按“3”键。

照完屏幕后打开PhotoShop，新建文挡，按Ctrl+V粘贴，这时就可以看到整个屏幕成了一张图片。选取你需要的部分并把这部分，新建一文挡并保存为jpg. 或 gif格式的文件就可以了。