The process of installing ASE files is very similar across multiple platforms. If the program you're using accepts an ASE file, you can follow these steps to install your ASE file.
You can follow this process if you have, Freetone, Pantone, Ral, Swatchos or Designed Sky color Swatches.
We've tested this process on Affinity Designer 2 and it works like a charm.
To download your Free Designed Sky Swatch Deck: https://designedsky.com/swatch/