You can find the Linux terminal app in your app launcher. You will want the one titled “Flash Player Projector.” Once you have that, move the tar.gz file to the Linux folder in your Files app. You can find that file here under the Linux options.
Next, we will download the Flash Player from Adobe’s website. You can learn all about that in the Command Line article here.
First, you will need to make sure your Chromebook is up-to-date and that you have installed and updated the Linux container on your Chromebook. swf files you want to access but since Adobe is at the heart of the format, we’re going to use Crostini to install the Linux version of the standalone Shockwave Flash Player from Adobe. There are a variety of players that will do the trick if you’re sitting on some.