How To Start Google Adsense?

First, of course, you need a website;)
If you don't have one yet, you can easily create one using blog, click here to read article about blog.

Second, make sure tips below applied to your website:

• Use english or other supported language
• Have minimum 10 pages
• All links work
• No broken images
• Good navigation

The following are a plus:

• Links to some affiliate product / service
• Your web had been on google adwords before

Third, apply for google adsense, you can use the button at the right upper corner of this page.

You will only need one approval, once you've been approved, you can put the adsense code in other websites as well.