You need to go through the motions of booking a room but DO NOT need to complete the booking. This is just to get the offer link to show up. Here are the steps, go to
1. Enter the name of any city in the "Destination, landmark....." box then click "FIND"
2. When the list of hotels in that area shows up, just click "Continue" or "View Rates" for any hotel
3. This brings up the different room rates, just click on any room type "SELECT"
4. Bam! Somewhere on the bottom left of following page that shows up should contain a link for the $200 statement credit after first purchase offer. Click on "Learn more" to take you to the application page.
Easy $200 in your pocket. No fee for the first year.