Visit the official site for WinCDEmu or 7-Zip.

No installation required (portable); creates bootable USB drives quickly.

Do you prefer a that doesn't require installation?

Right-click your ISO and select "Select drive letter & mount." 2. Rufus (Best for Bootable USBs)

Only download from official developer websites.

Your ISO files should now have a new icon, or you can right-click them to see the "Mount" or "Extract" options. Safety Tips

Select your USB drive, select the ISO file, and click "Start." 3. 7-Zip (Best for Extracting Only)

You don't need to waste a physical DVD to see what's inside.