“I need to create a boot disk for my machine. I am using Windows 8.1, the system was already installed and have no disk(s). I would prefer to do this via a USB/Flash Drive. How do I do this?
From Microsoft Community User”
Windows 8.1 is one of the best popular Windows versions except for Windows 10. So If you are a Windows 8.1 user, you may be wondering: how to create a bootable USB drive for Windows 8.1 ISO, and what do I need before starting? You can find all the answers to your questions in this article. Keep on reading.
Part 1. What Do You Need to Prepare Before Windows 8.1 ISO to USB Burn?
If you are a tech newbie and you are not fiddling with Windows very often, you will need to prepare something before starting your work. You will need something as follows:
- A computer running Windows operating system;
- A USB drive with at least 4 GB space or larger;
- And Windows 8.1 ISO file (you can get this ISO file by following the steps in the next parts).
- Internet connection in your Windows computer (downloading the ISO file and tool may require high speed of internet connection).
Since the materials are ready now, you are good to go. Check the next part.
Part 2: Make Windows 8.1 ISO to USB Manually
Microsoft allows users to download Windows operating system file for free, and users can choose to create bootable media using program provided by Microsoft.
Once you have prepared well, let us cut to the chase and start the process to create a bootable USB drive from Windows 8.1 ISO file.
Step 1: Download Windows 8.1 ISO file
Step 2: Burn Windows 8.1 ISO to USB drive
After downloading the ISO file, you can start creating the USB drive from Windows ISO file.
After completing, the whole process is done and you have created a bootable USB drive from Windows 8.1 ISO file.
This process is a little bit complicated and may take some more time. If you want to make it easy and fast, try the next method.
Part 3: Download Windows 8.1 ISO and Create Bootable USB Automatically
The other effective way to convert Windows 8.1 ISO to USB, is to do it via a professional ISO burner. With ISO burner, it helps you download and burn the ISO file as easily as possible, it saves your time and patience to struggle with those long process, and it prevents you from worrying about making any mistakes.
The ISO burner we recommend is PassFab for ISO, which is one of the best Windows ISO burners out there.
- It supports burning ISO for Windows 10, Windows 8.1, Windows 8, and Windows 7;
- It supports GPT and MBR partition types;
- It supports burning ISO to USB of various brands, such as SanDisk, Kingston and Corsair;
- Last but not least, it is very easy to use, and you can finish all the process with just 4 clicks!
Can’t wait to try it out? Now let’s go directly to the part on how to burn Windows 8.1 ISO to USB via PassFab for ISO.
After finishing, close the program and unplug your USB drive. And voila! This is your Windows 8.1 bootable USB drive.
Part 4: FAQs About Windows 8.1 ISO to USB
Q1: Is an ISO image bootable?
Well it depends. The ISO image itself isn’t bootable unless it has been burnt. If you want to know your ISO file is bootable or not, you can try third-party software and it will tell you whether your ISO file is bootable.
Q2: Can I just copy Windows ISO to USB?
Copying and pasting your ISO file to USB won’t make it bootable and you cannot boot your computer from USB after that. You will need to burn ISO image to USB using program like PassFab for ISO.
Q3: How do I download Windows 8.1 to a flash drive?
You can directly download Windows 8.1 ISO to a flash drive from Microsoft, but this won’t make it a bootable flash drive, which doesn’t make any sense. You can try Windows USB/DVD Download Tool or PassFab for ISO to burn Windows 8.1 and make it a bootable media.
There you go. This article outlines detailed instructions to burn Windows 8.1 ISO to USB, step by step. You can do it manually using the Windows USB/DVD Download Tool, or you can try a top Windows ISO burner like PassFab for ISO if you prefer to make it less time-consuming and complex.
Product-related questions? Speak directly to our Support Team >>