1) How to use your new Email Address with Windows Live Messenger

Registering your Email Address with Windows Live is quick and easy! After a couple of clicks, you will be able to use the same new emails for Windows Live Messenger, XBOX Live and many other Live services.

Simply click on this LINK to register your email with Microsoft Live Services

2) How to setup your new Email Address with a mail client (Outlook, Thunderbird etc)

SquirrelMail
What is the required information to set up e-mail clients?
Which e-mail program or client can I use?
How do I setup Microsoft Outlook 2002 to receive e-mail using POP3 protocol?
How do I setup Microsoft Outlook 2002 to receive e-mail using IMAP protocol?
How do I setup Microsoft Outlook Express to receive e-mail using POP3 protocol?
How do I setup Microsoft Outlook Express to receive e-mail using IMAP protocol?
How do I setup Eudora to receive e-mail using POP3 protocol?
How do I setup Eudora to receive e-mail using IMAP protocol?
How to change ports on Eudora
How do I setup Netscape Mail to receive e-mail using POP3 protocol?
How do I setup Netscape Mail to receive e-mail using IMAP protocol?
How do I setup Microsoft Outlook 2003 to receive e-mail using POP3 protocol?
How do I setup Microsoft Outlook 2003 to receive e-mail using IMAP protocol?
How to set up Mac OS X Mail
How do I setup MS Entourage on Mac OS X?
Problems sending e-mail
Troubleshooting "send/receive e-mail" errors in e-mail clients
What does "dynamic/dialup IP refused" error mean?
How do I setup Mozilla Thunderbird to receive e-mail using POP3 protocol?
How do I setup Mozilla Thunderbird to receive e-mail using IMAP protocol?
How to manually setup an Exchange Account with Outlook 2007
Setting up Outlook 2007 for use with our mail service
How do I setup Microsoft Outlook 2007 to receive e-mail using POP3 protocol?
How do I setup Microsoft Outlook 2007 to receive e-mail using IMAP protocol?
Can Outlook Exchange connection and Entourage be used at the same time?