I will show you how to enable desktop notifications, so you will notice a new email, even if you are not in the window where you have your Gmail account open.
Not so long ago it was believed that humans are the only specie to successfully transmit the knowledge and acquired skills from one generation to another.
If you want to have a go at the latest Windows 8 Release Preview, you can install it in your existing Windows 7 installation using VMware Player free virtualization software.