All that you need to do to get started is to put your twitch username in the username field on the options page. A link to the option page can be found under 'Tools' > 'Extensions' > 'Twitch notifications'. Clicking a notification will open the stream in a new tab. The source is on github: https://github.com/mickelus/twitchNotifications. Feel free to submit bug reports, feature requests or pull requests.
You can Follow the below Step By Step procedure to install the Twitch Notifications Chrome Extension to your Chrome Web browser.
It is the Twitch Notifications Chrome extension download link you can download and install Chrome Browser.
A browser extension that lists your live followed streamers and sends notifications when they start a new stream
See when streamers go online!
Mutes Twitch tabs when ads roll
Plays a sound when new message comes in Twitch chat