How to Download and Install PowerISO for Free While PowerISO is a premium software, I’ll show you how to download and use it completely free. If you don’t have the physical disks, you can create up to 23 virtual drives and view the images and data as if you have a CD, DVD, or Blu-ray. The software also has editing tools that allow you to make edits directly on the ISO file. PowerISO is an all-in-one utility tool for mounting ISO images on CDs, DVDs, Blu-Ray, and USB sticks.