Create your own custom Email address

Step 1
First purchase your own domain name.

Step 2
Visit the   Google App Site here.

Step 3
Click Start Free trail.

Step 4
Now you will have two option to set up your email "Express" or "Custom".

Step 5
Now you need to "Verify" your Domain name following the process provided there. It might take a few minutes.

Step 6
Once you are done Login to Google Apps and click "Users".