This one is pretty easy to get.

Get a free sample of Calvin Klein fragrance for women. Click one of the links below and scroll down until you see the sample offer. Once you do click sign up and enter your information.

Click here if you are on a desktop.
Click here if you are on a mobile device

If you get an error on your mobile device nad cant submit it. First put your country Canada then switch back to the US, it should work.