Probably not, this way its new every day.
Here is a very useful link about migrating to windows 7, and how to get
e-mail.
Appearently windows live mail is a part of windows live essentials, which
may or may not be a part of your windows installation. I am very interested
in thunderbird, I couldn't figure it out three years ago, but maybe with a
new breakfast every day, I'll have better luck.
Here is the link.
http://windows.microsoft.com/en-US/windows7/products/features/email