What is a screenshot
A screenshot is, in short, a picture of your screen. It can be used as a presentation or act as a guideline for a path route to take. Screen shots can also be used to authenticate something such as an image or post.
How do I take a screenshot?
1- First of all, you need some sort of image software ( MS paint should prove more than sufficient ) The next step is to find the right key to press on your keyboard. Indeed, there's a button which when you press it will instantly copy your screen (as an image) into your clipboard. The letters are Prt Scr - or on some keyboards Prt Sc. In any case it should be located here:2. Open Paint: Start menu> All programs tab>Accessories> Paint tool
3. Click on paste:
4. Click on save as:
5. Then, select the folder on which you want to save your screenshot
6. you can now host this picture on: https://servimg.com and publish it on your forum. Learn how to host a picture.
Screenshot on one part of your screen or a section of computer
Snipping tool:
This tool allows you to take a screenshot quickly (Start menu> Programs> Accessories> Snipping ), then you just have to select the zone of the screen, finally register the screenshot on your office (in JPG or PNG)
Click on the below link to learn how to use the snipping tool
http://hackgh.wikiforum.net/t3502-taking-a-simple-screenshot-in-windows-7-or-8-8-1