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What you can do with an ISO file

Have you ever downloaded an ISO file and did not know what to do with it? More and more software companies are now distributing their software using ISO files. Here is what you can do with an ISO file.

What you can do with an ISO file

Nowadays, it seems like everyone is starting to use ISO files for distributing software. In fact, ISO files are just an image of a CD or DVD disk. You commonly see them used to deliver software that is bootable.

Now really quick, ISO stands for International Organization for Standardization. They have a set standard (ISO 9660) for the file system used for optical disks (CD, DVD, BD, etc.).

Even Microsoft is now using ISO files for distributing Windows. If you download Windows 7, Windows 8.1 or Windows 10 from Microsoft, you will get the option of downloading an ISO file.

But once you download the ISO file, what can you do with it? If you are running Windows 7, Windows 8.1 or Windows 10 you have basically three (3) options; mount it as a virtual optical drive, burn it to a disk or create a bootable USB drive.

You can also create your own ISO image files. For more information, check out How to create ISO files from your software disks.

How to mount and access files in an ISO file

By default, Windows 8.1 and Windows 10 have the ability to mount an ISO file as a virtual optical drive built-in. Windows 7 requires a third-party program to mount an ISO file.

Once you mount an ISO file as a virtual optical drive, you can then access the files and folders inside of it. Most of the time you will use this feature to run a software installation.

For Windows 7, we are going to use the open source optical drive emulator WinCDEmu. Just download and install it using the default settings. Once it is installed, the process for mounting a ISO image is almost the same as Windows 8.1 or Windows 10.

Windows 7

  1. Open Windows Explorer by using one of the following:
    • Left-click on the manila folder icon to the Taskbar.
    • or
    • Press the Windows Logo key Windows logo key + E at the same time.
  2. Navigate to the ISO image you want to open.
  3. Right-click on it and select Select drive letter and mount on the context menu that appears.
    The Mount option highlighted on the ISO file context menu inside of Windows 7
  4. On the WinCDEmu screen that appears, select the drive letter you want to use for the virtual optical drive and left-click on OK.
    The main screen for WinCDEmu
  5. Using Windows Explorer, navigate to the virtual drive you just mounted. You can now use it as you would with any other physically attached optical drive.
  6. When you are done, you can remove the virtual optical drive by right-clicking on it and selecting Eject on the context menu that appears.
    The Eject option highlighted on the ISO file context menu inside of Windows 7

Windows 8.1 and Windows 10

  1. Open File Explorer (name changed in Windows 8.1) by using one of the following:
    • Left-click on the manila folder icon to the Taskbar.
    • or
    • Press the Windows Logo key Windows logo key + E at the same time.
  2. Navigate to the ISO image you want to open.
  3. Right-click on it and select Mount on the context menu that appears. Windows 8.1 and Windows 10 automatically assign the next available drive letter.
    The Mount option highlighted on the ISO file context menu inside of Windows 10
  4. Using File Explorer, navigate to the virtual drive you just mounted. You can now use it as you would with any other physically attached optical drive.
  5. When you are done, you can remove the virtual optical drive by right-clicking on it and selecting Eject on the context menu that appears.
    The Eject option highlighted on the ISO file context menu inside of Windows 10

How to burn an ISO image file to a disk

The process for burning an ISO image to disk is exactly the same for Windows 7, Windows 8.1 and Windows 10. Just make sure you have the correct blank media for the disk you want to burn.

For example, if your ISO file is under 700 MB's (Megabyte), it will fit on a CD. If it is between 700 MB's (Megabyte) and 4.7 GB's (Gigabyte), then it will fit on a DVD. If it is between 4.7 and 8.5 GB's (Gigabyte), it will fit on a Double Layer DVD. Anything over 8.5 GB's (Gigabyte) and it is going to go on a BD.

For more information on Megabytes and Gigabytes, check out What is a Bit? What is a Byte?.

Windows 7, Windows 8.1 and Windows 10

  1. Open Windows Explorer (Windows 7) or File Explorer (Windows 8.1, Windows 10) by using one of the following:
    • Left-click on the manila folder icon to the Taskbar.
    • or
    • Press the Windows Logo key Windows logo key + E at the same time.
  2. Navigate to the ISO image you want to burn to disk.
  3. Right-click on it and select Burn disk image on the context menu that appears.
    The Burn disk image option highlighted on the ISO file context menu inside of Windows 10
  4. From the pull-down menu on the Windows Disc Image Burner screen, select the optical drive you want to use for burning the disk. You also have the option to verify the disk after it is created. When you are ready, left-click on the Burn button.
    The main Windows Disc Image Burner screen inside of Windows 10
  5. When the optical drive is finished burning the disk, just left-click on the Close button.
    The Windows Disc Image Burner screen verifying the disc has been burned inside of Windows 10

How to create a bootable USB drive from an ISO file

When you want to create a bootable USB drive, you will need one that is empty or one that you do not mind if it gets erased. If the USB drive you want to use has been used before, double check it to make sure there is nothing on it you want to keep.

Remember to use a USB drive that is larger than the ISO file you want to put on it. A good rule of thumb is to use one that the capacity is more than 4GB. I prefer using 8GB or larger.

To create a bootable USB drive will require downloading and installing a separate program. There are several out on the Internet, but here are the two (2) most popular programs.

Windows USB/DVD Download Tool from Microsoft

This free tool is mainly meant for creating bootable Window 7 USB drives from downloaded installation media. It is recommended to only install it on Windows 7, as the system requirements do not list support for Windows 8.1 or Windows 10.

Rufus - Create bootable USB drives the easy way

The thing about Rufus is it requires no installation, just download it and it is ready to go. And there are a lot more options including partition scheme, file system and cluster size. You also have more boot options including MS-DOS and FreeDOS.

How to create ISO files from your software disks

So over the years you've been purchasing software on CD's / DVD's and now have quite the collection. So what do you do with all of the media you are no longer using? How about creating ISO files from them? Here's how to create ISO files from your software CD's / DVD's.

After working with computers for over twenty years, I've managed to amass quite the collection of software disks. One of my biggest problems is that I don't like to just throw away software disks. You never know when you might need them again.

Now in my book there are two kinds of disks; Keepers and Tossers. Software that you paid for is definitely a Keeper, software that comes in the mail / paper is usual a Tosser.

I'm old enough to remember the AOL disks that used to come in the newspaper (1 gazillion free hours!). The AOL disks were always quite colorful and made a great wall collage or mobile.

Now I realize that properly stored CD's / DVD's can last quite a long time. I personally have some CD's that are around 20 years old and I can still read them with my Windows 10 computer. So why would you want to change?

Well, first off disks can get damaged. If you scratch the bottom of a disk, you can use a special tool to buff it out. But if scratch the top of a disk you actually damage the layer that stores data. Geek Tip: To destroy the data on a CD / DVD before throwing it away, just scratch off all of the top layer of the disk with a sharp object, like a nail.

Second, not all devices have nowadays have CD / DVD drives (tablets, netbooks and ultra-thin laptops). This can make installing older software on a newer computer a bit of a problem. So what is the solution? ISO (International Organization for Standardization) files.

ISO (.iso) files are basically an archive file format for optical disks, like CD's and DVD's. They contain an exact sector-by-sector, non-compressed copy of a disk. All you need is a computer with a CD / DVD drive, your original disk(s), a program that creates ISO files and plenty of free space on your hard drive.

Here's a list of a couple free programs that create ISO files.

Once you have created your ISO files, you can do some cool things with them. Archiving your ISO files is the first thing you probably want to think about. External drives (flash, portable or desktop) are a great for storing ISO files. I've actually taken several small ISO files and burned them on to DVD's for off-site storage.

Now what can you do with an ISO file? Sure, you can make a new CD / DVD using an ISO file. That feature is built into Windows 7, Windows 8.1 and Windows 10. Or if you want to burn an ISO file to a USB drive you can use a program like Rufus. And if you're using Windows 8.1 or Windows 10, you can even mount (open as a virtual drive) an ISO file and install directly from it. Great for when you don't have a CD/ DVD drive.

How to burn an ISO file to disk inside of Windows 7, Windows 8.1 and Windows 10

  1. Open File Explorer
    • Windows 7 - From the desktop, left-click on the File Explorer icon on the Taskbar or press the Windows logo key Windows logo key + E.
    • Windows 8.1 - From the desktop, left-click on the File Explorer icon on the Taskbar, press the Windows logo key Windows logo key + E or right-click on the Start button and left-click on File Explorer from the Power User menu.
    • Windows 10 - From the desktop, left-click on the File Explorer icon on the Taskbar, press the Windows logo key Windows logo key + E, left-clicking the Start button and left-clicking on File Explorer or right-click on the Start button and left-click on File Explorer from the Power User menu.
  2. Locate the ISO file you want to create a disk from.

    The ISO file context menu inside of Windows 7
  3. Right-click on the ISO file and then left-click on Burn disc image.
  4. Insert a blank disk into the CD / DVD drive.
  5. Left-click on Burn.

How to mount an ISO file as a virtual drive inside of Windows 8.1 and Windows 10

  1. Open File Explorer
    • Windows 7 - From the desktop, left-click on the File Explorer icon on the Taskbar or press the Windows logo key Windows logo key + E.
    • Windows 8.1 - From the desktop, left-click on the File Explorer icon on the Taskbar, press the Windows logo key Windows logo key + E or right-click on the Start button and left-click on File Explorer from the Power User menu.
    • Windows 10 - From the desktop, left-click on the File Explorer icon on the Taskbar, press the Windows logo key Windows logo key + E, left-clicking the Start button and left-clicking on File Explorer or right-click on the Start button and left-click on File Explorer from the Power User menu.
  2. Locate the ISO file you want to mount as a virtual drive.

    The ISO file context menu inside of Windows 10
  3. Right-click on the ISO file and then left-click on Mount.
  4. Locate the new drive inside of File Explorer and use it like it was an actual CD / DVD drive.

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