Register For Adsense, Join Adsense

Registering for Google Adsense is fairly easy. If you already have a website then you can register straight away. Just follow the link at the bottom of this page.
Google will do a quick review of your site just to make sure that it meets their Program Policies.
Please also note that you are not allowed to click on your own Adsense Ads, this will result in a ban from Google. Once you’ve been accepted you can put the Adsense code onto your website & start earning every time someone clicks on the ads. The payout depends on the type of site that you have, here’s some examples:
High Paying Niches

1. Debt
2. Credit Cards
3. Lawyers

Low Paying Niches

1. Celebrities
2. Tattoos
3. Dance Music