Is there anyway I can download Minecraft for free?

So, I can't really pay for Minecraft. Does anyone know of somewhere I can download the full version of Minecraft?

What I prefer for the game:
Full Game
Current Update
Can get on like any server
Fast download
Doesn't cause a virus or anything

P.S. I've never played the PC version before and I really really want to play it.

P.P.S. If I get it downloaded, anyone wanna play?

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