Newtonian Reflector Telescope Sweet Telescope! Could You Help Me With Collimating My Newtownian Telescope?

Could you help me with collimating my Newtownian telescope? - newtonian reflector telescope sweet telescope!

I have a Newtonian telescope, I am almost afraid to use it, because I can not find a good collimation for idiots ", side to understand and partly because no one knows what I know that Hell, I mean. Any general tips , tricks, websites, and recommendations are there?