Download six powerful plug-ins for Photoshop, Lightroom, or Aperture using the link below: note the orange stripe at the top of Nik website shows the free download.

Starting March 24, 2016, the latest Nik Collection will be freely available to download: Analog Efex Pro, Color Efex Pro, Silver Efex Pro, Viveza, HDR Efex Pro, Sharpener Pro and Dfine. If you purchased the Nik Collection in 2016, you will receive a full refund, which Google will automatically issue back to you in the coming days.

https://www.google.com/nikcollection/