Don't take anyone's word for it. Research it yourself and find out.
There are computer facilities that you can visit, and you can see one being built with your own two eyes, if you wish.
After my own experience... it seems that, yes, computers are created by people.
Lemme see here. Nope, too lazy to look those things up. For now I'm pretty certain that my computer and such were conjured up in a thunderstorm. After all most of my devices use electricity.
Don't take anyone's word for it. Research it yourself and find out.
There doesn't seem to be any facilities we can visit to see life being built.
We do have histories and on-going research into how life works, though... you can learn about that, if you wish.
After my own experience... it seems that, no, life was not created by a designer.
I did some research before coming here. It would seems that the earth is flat and objects tend to levitate and throw themselves across rooms from time to time. Maybe, no, perhaps...no, no, I am 100% certain that from time to time objects would levitate, throw themselves across the rooms and then form computers.
Some lucky bastard found a haven of computers formed in the desert and would sell them from time to time. Bill Gates, you lucky son of a b*#!&.
I also have a tornado theory if you're interested.