It is first time browsing web to fix my horn. I got into little accident on my front bumper and right blinky was damage... after the accident, everything works except the horn.

When I push horn button on my steering wheel, I just hear click sound. I am really new to car...and only thing I know is change tire... "I don't even know how to change oil "

1. I am wondering if there is good website that I can buy just regular horn ( doesn't have to be fancy)? or from Shucks?? Then what brand is decent and cheap?

2. Is there website that might help me to put the Horn into my car by myself ? once I purchased it???? Hopely with pictures? Personally, all I know is changing tire... changing horn can be done by someone like me? Without big auto parts tools???

3. If changing horn bymyself is impossible ( or very hard), then how much usually need to be spend in shop (someone else will do it for me)?
for ex) by purchase new horn and install?
for ex) just changing fuze??
for ex) or reconnecting lines?? I mean with pictures???? underhood pictures or something like that for noob like me.

Thanks