Youtube is full of video tutorials giving tips about how to use a particular operating system, softwares or computer games. You are wondering how these videos were created? Don't worry you won't need additional hardware (camera,...) as all you require is a screen recorder software. Screen recorders basically allow you to record what's happening on the screen of your computer. They are great for making video tutorials or record the gameplay of your favorite computer games. This article aims to give a brief introduction of the best screen recorder softwares: The simplest method is to make use of Apowersoft, which is a free online screen recorder (requires no installation!). Apowersoft allows you to record your entire screen or a particular section of the latter. Apowersoft also gives you the ability to save your videos in the format of your choice.