I can't click on the button save&activate

Thank you for downloading the plugin and providing feedback. The WordPress community has helped Google to improve the plugin and make it compatible with more websites and themes.

In order to keep doing this well, it would be appreciated that you post discussions and feedback in the official AdSense user forum whenever possible, rather than in this WordPress forum. Doing so will allow us to leverage Google’s AdSense large support team and tools to answer your questions faster. To post in that forum, please visit the Google Publisher Plugin Section on the official Google Forum.