F-5 key. You may have to push the fn key at the same time depending how you have the F keys set up.
All you will have to do is change the controls to the arrow keys.
By using the WASD keys, but you can change that in the settings to make it easier for you if you want.
There are no keys in minecraft!
Command + R
nope... only in silver with black keys...
you have to hit FN
the 1 - 9 keys
There is not a free copy of Microsoft Excel due to the license keys that have on them.
Assuming you're talking about changing to a different block in the bar at the bottom: use the number keys on your computer (1-9) - each number corresponds to a box
They're just there to fill in the space. Don't you think it would look or feel weird if there was an empty space between f4 and f7? :P
Modifier keys, the answer is modifer.
It's one of the "F" keys. I think it's F-3? You may have to go into the control panels in Keyboard option to set the F-keys to Function keys.