How do I enable Console?

1) Goto Options
2) Click the Keyboard Tab
3) Click the Advanced button
4) Check the box next to Enable Developers Console
5) Hit Apply - Console should now be enabled.
What button opens the Console?

To open the console after you've enabled it, simply press ~. Which is located to the left of the 1 Key, and above the Tab Key.
How do I bind a Key?

1) Hit ~ on your keyboard (located above the TAB button)
2) A menu(the console) should have droped down. Now type Bind <Key> [Function]
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Example:
Bind c +jetpack

The <Key> can be any key on the keyboard.
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Where do I get and how do I use Jetpack?

When you join the server you automatically have Jetpack. To use it just Bind a key to +jetpack.

I'll add to this if I see anymore, and also if you have any you think should go on here please PM me. Thanks

-Naquadria