you have to go to the menu and acesess chat settings and use type chat then go to the game and then you can chat
There are no rules!
If you are on a mac, you do not, you cannot.
Type "&b(text)"
You can't unless you get a mod, you hack or you get a texture pack
Yes, you enter it in the server properties text document.
I believe you mean obfusticated or scrambled text in which case you must paste in §k before the text and §r after. Try it in a book to see if it's what you mean.
On the home page of Minecraft.net under "BUY NOW" there's a smaller text saying "Play Minecraft" where you can download the .exe file to play.
Go into your folder that contains your mcforge.exe, ranks, properties ect and click on 'text'. Then there will be a text document called 'rules' that you can open and change.
In multiplayer, if Essentials Plugin is installed, and you have the permission, you can use &k[Text].In single player, im not sure.
If whitelist is enabled on your server all you need to do is open the folder which contains your server and find the whitelist text file and type their names into that. You can also white-list people by opening up your "Minecraft Server Launcher", and type in the text box, (whitelist) (add) (username).
Did you buy minecraft? If you did, then keep logging in. After logging in AT LEAST ONCE, the not downloaded text will never appear, and you can press "play offline!". But if you accidentally delete minecraft off of your computer, you have to log in again.
I have provided a direct link in the related links to the official Minecraft reference skin. However, to get to it yourself, you click on 'Profile' and in blue text below 'Change how you look in Minecraft' you should see download reference skin. Click it and you'll be directed to the picture.