Go to the official Adsense help site and read the tutorials: https://www.google.com/adsense/support/bin/topic.py?hl=en&topic=8437
have you tried googling "set up adsense" that should provide you with all the information you need to know. Good luck!
First at all, you need to go to google.com/adsense to apply for the approval. Once your website was reviewed and approved, then you can log in to your adsense account and get your adsense code. Finally copy the code and paste on your website
Hi dear, Once you sign up for the code, and I can help you insert it into your website with some advic eon how to place the ad so to increase the earning (optimize it) Let me know if you ineterested by PM me yeah, for those who interested can PM me too