If you have a PlayStation Certified device, you can simply download the games through the PSM app. You can find a full list of PlayStation Certified devices here. The promotion is available in Japan, United States, the United Kingdom, Canada, France, Italy, Germany, Spain and Australia. For the first time, the promotion is also available in nine new countries including Belgium, Denmark, Finland, Ireland, Mexico , Netherlands, New Zealand, Norway and Sweden.
Via PlayStation Blog.