Once you’re in, you must select “Use a direct link” as shown below (and add it in the appropriate place):
That depends entirely on you. But the rule of thumb is your site’s footer. It’s a good way for it to be seen from every page which will ensure you’re compliant with privacy requirements.
Here’s a guide for WordPress. If you would like more assistance, consider posting your query on our support forum.
Other integration options
Watch the video on the integration options instead