Previously you needed to install third-party apps to mount, extract, and otherwise manage ISO files in Windows. With that, let's get started: Extracting an ISO in Windows 8, 8.1, and 10 – Using the Mount and Copy Method Of course, there are multiple ways to do this, so we'll cover the best options starting with the easiest, and from there you can choose your preferred method. This is a simple task that has become even simpler in recent versions of Windows, so it won't take more than few steps. So you've got an ISO image file and you want to extract the contents of it to your hard drive.