I don't know how to open my email

Hello,
I don't know how to open my email because you see, this is all new to me I am getting this PC for christmas and I am just setting it up so I don't know how to do ANYTHING so can you help me open my email so I can check I was suposted to get an email for setting this PC up. Thanks for your help, if you are able to help.
Sincerally,
Ladie coytoy