To get to your inbox for your email messages, go to the very very top of the page and there you will see your tiny avatar on the left next to your name. Click on the envelope icon and you will see your email messages there.
Also, make sure you have your profile set to receive email messages. Click the "My Settings" link in the section on the right below where it says, "Hello, ___________" From there, click the "Privacy" tab to show your email options. Select the options you want and click "Save" on the bottom of this page.
Also, make sure you check your junk mail box in whatever email program you regularly use. You may find some messages for you there.