Yes, you can receive hats from The Item Drop System.
to be cool
No, only hats.
There are currently a total of 214 hats (excluding the 91 misc items
You can find Team Fortress 2 at store.steampowered.com
Unusual hats in Team Fortress 2 worth a lot because they are unique and different, hence unusual. Not a lot of TF2 users would have them and that is what makes those hats stand out from the rest, and as a result, they are worth quite a lot.
There is currently a total of 235 hats (excluding the 124 Miscellaneous items) in TF2.
Trade them.
The paint can is a tool in the video game Team Fortress 2 that allows players to change the coloring of hats and miscellaneous items. Paint cans are available in 29 colors.
You find them
You can get hats randomly on rare occasions, but you can also craft one. You can do so by either using 3 Refined Metal, or 2 other hats.
no
none specifically. Team Fortress 2 does NOT give you a virus.