The go-to free tool if your goal is specifically to create bootable USB drives from ISO images.

You can download the latest official version (currently 9.3 as of March 2026) directly from the PowerISO official site . The trial version includes most features but limits the size of files you can create or edit to 300MB .

If you need a "full" experience without paying, these free tools are highly rated for the same tasks:

Modern versions of Windows (10 and 11) can naturally "Mount" ISO files just by double-clicking them, so you might not need extra software just to see what's inside a file.

Power ISO : Free Download, Borrow, and Streaming - Internet Archive