Once you have setup your AdSense account, then you can just go to www.google.com/adsense and then put in your email name and password and sign in to your account.
Once youve logged in, just click on the AdSense Setup tab, and then youll see a screen here that asks you to choose which type of AdSense ads you want to display. The most common type of ad is AdSense for Content. But you can also use AdSense for Search, put a little Search Box onto your website or blog, and you can also put AdSense in RSS Feeds and also on parked domains. So, Im gonna click on AdSense for Content.