Ook I heard that some people had promblem's with the client working, soo Im going to help ya if this works pls comment :D here it goes.

Oook

1. Go to www.minecraft.net then log in.

2. then click looking for multiplayer classic then look at bottom and find Multiplayer

click it.

3. then type in the search: World of Minecraft realms then click on the server World of Minecraft: realms.

4. then once u are in the server type /member (E-mail)

5.Then goto womrealms.com

6. then on the right fill out your e-mail and code in the blanks.

7. log in to your e-mail inbox and click on World of Minecraft realms e-mail then do what it says.

8. Goto womrealms.com and log in to your account.

9.  then Scroll to the very bottom and find the user's list.

10. Then click the user u want to use in the game.

11. copy all the name on the top

12. open your game client then hold down ctrl and at the same time press v

13. then click go

14. then have fun :D

By the way allways do resume when u want to use that user again so then u dont have to keep going and copy it.