The virtual disc for Digital Camera 237 includes 60 minutes of video training; a B&W FX Kit for creating classy mono conversions in seconds (requires Photoshop CC); 10 photographer presets for Lightroom Classic, created by Alistair Campbell; a 248-page Buyer's Guide PDF; and start files for selected tutorials.
This download has been compressed to make it quicker to download. After downloading it, double-click to decompress it. If your computer doesn't have unzipping software, download 7-Zip, which is a free tool designed for this job.
The virtual disc is formatted in a special way so that it mounts on your computer Desktop in the same way as a physical CD or DVD. You should just be able to double-click the ISO file inside the folder, but instructions are provided if this doesn't work.