You are a member of a group chat with your friends, someone has sent you a link to a cool app, and you want to install it, but you do not know how to do it, so you look for a solution, and you find it in the form of a video tutorial, which tells you how to install the application. In the end of the video, it is stated that you can enjoy the app for free. So, you try it, and you like it, and you want to install it, but this time, you will not do it by watching a video, but by doing it yourself, so you look for the link that was sent to you, and you find it in the form of a website, where you can download the application for free. And now, you know how to install it, so you do not have to look for a solution anymore.