How you install an application from its ISO file will depend on the version of Windows you’re running. In Windows, you can mount the ISO file as a virtual drive and install the software from there.

Screenshot by Jason Cipriani/CNET How to flash Windows 11 to your USB drive To turn a standard USB drive into an installation drive, you'll need to use a program called Rufus.

The way you install a program from an ISO file varies depending on which version of Windows you use. Let’s check out your options.