How to write a text and make it apear over youre characters head?

You write ! befor the text and it will say what you wote down over youre head

How to see all items around you with out checking it with the mouse?

Hold in (alt) and names of all items around you will appear when you walk by em and you can select the items by clicking the items name, and you will see if the items are rare unique or normal

How to send characters in other games or whisper them in game?

To whisper in game or send to characters you know in other games write /msg name and then what you are going to say to him/her just like this:  /msg killer Text here

How to see where other characters are in game?

click (P) and look under there name there you will see where thay are at all time