The CRA (Camera Raw Adapter) is a component of the Nik Collection that allows the plugins to work with camera raw files. If you're experiencing issues with the CRA, here are some steps to fix it:

This version introduced major updates like luminosity masks, polygonal selection tools, and a significant performance boost.

Filter Efex offers a variety of creative filters for artistic effects, from polarizing filters to cross-processing and more.

The Nik Collection is an excellent addition to any photographer's toolkit. Its modules are designed to work seamlessly together, offering a wide range of creative possibilities. The software is easy to use, with intuitive interfaces and plenty of tutorials available.

Run the setup file and follow the on-screen instructions.