To get started, uninstall Google Notifier before it no longer functions
Unread Email Count at a Glance
Install the Google Mail Checker application for Chrome to see your unread email count at a glance.
Desktop Gmail Notifications
You can setup Desktop Notifications in your Gmail account by following these instructions.
Desktop Calendar Notifications
While still in the Calendar Lab, you can enable Gentle Reminders, which will let you see calendar notifications from your desktop. To do so:
1) Go to your Calendar’s settings > Labs > Enable Gentle reminders > Save.
2) Go back to the “General” settings page and make sure that “Show floating desktop notifications” is checked.