Learn about making money online for free in a few words

Have you ever think about making money online using your own pc and internet connection?
Ok here is the help..we can make it so simple here in a few points...
within the last few years the internet had made a very big boom in our world
many websites every second,many companies using the internet for its products
to sell it online ...
but a problem had showed up!!!!,how to make the internet users know about these products?
the solution was the advertising.
Google was the 1st company designed the ads system and it offer promotions for the owners of any websites to allow ads to be shown at their pages for a certain revenue that you can turn in cash after reaching a threshold and send the money to them by a lot of methods.
More companies had showed up after that and promote their systems.I think the idea is very clear now to you my friends all you have to do is to get
1-Pc
2-Internet connection
3-Website
thanks for reading and to be continued...