Im 16 I dont got a studio..

I just mean like recording a couple songs and loadin them up on youtube or something.

What do I need to record to a computer? I got a mic like this

Except its got a chord and I can plug it into my computer

and .. I got my computer.. and my guitar gear..

What do I need.. I got it all plugged in and screamed into the mic and I could hear myself a little ( computer speakers alllll the way cranked up ) and it was VERY staticy..

So I dont know what to do help thanks.
Epiphone Les Paul Custom
Peavey Triumph 112 120W all tube
Takamine EG333C