OK, one of the best ways to make money online is through Youtube and Google ADsense.
for this you will need-
1. A Youtube account
2. Idea for a video
Explanation-1] It is very easy to create a youtube account!just log on to Youtube.com.If you have a Gmail account ,you can simply sign in using that.
2]Next you need a video.Think of anything you can make a video of..it can be funny,educative,anything. *IMPORTANT* do not make lyrics,mashup,or any video which contains copyrighted material or if it is taken from anywhere else.Make sure it is fairly original.Upload the video and advertise it wherever you can.Subscribe to other people and try to get as many subscribers as you can. After getting 3k-4k views click on your account name on the top right corner and click on settings.On the left side there should be a column of different options.Click on monetize and follow the onscreen instructions.
If they accept your video congrats,you will now earn from your video! If they don't accept your video,don't feel bad , try to get more people to watch your video and try again!
