If you are an iPhone holder and don’t know how to screenshot on iPhone, then it's normal because capturing a screen on iPhone often requires users. On the other hand, if you are first time iphone holder then you might face.

Whatever it is, you can follow the steps, and it can give you an easy step-by-step walk. Hence, follow it.

Press the side button that is provided left side of your iPhone volume up button
Now quickly release the button
Now you have screen flash and hear the camera shutter sound
After that, thumbnail will briefly in the bottom left corner of the screen

These are the basic steps that you can follow to take a screenshot on your iphone easily. If you are using a newer device of iphone then you can click the link here and can get its entire process in detailed way.