Microsoft decided to skip Windows 9 and name it’s next Windows as Windows 10. Microsoft has released Windows 10 Technical Preview, giving early adopters like you and me the opportunity to experience some of the lovely new features that the operating system will bring to the table when it officially launches next year.
So you must be wondering what new features Microsoft is bringing to Windows 10. If you are deciding to try Windows 10 Technical Preview, then it’s time to boot your USB with new Windows 10.
This is a complete guide to install Windows 10 from a bootable USB. One of the main advantages of installing a version of Windows operating system from a bootable USB is speed, especially when compared to the traditional way of installing Windows from a DVD.
There are many utilities available on Windows to make USB bootable you can use Rufus – one of the easiest utilites to boot USB , but why use those tools when you can make USB bootable from command prompt on Windows.
In this guide I be showing How to make a bootable Windows 10 Technical Preview USB drive using command prompt.
In order to create a bootable Windows 10 Technical Preview USB drive you will need to prepare the following, before we can go any further:
- Windows 10 Technical Preview ISO, which you can download from here;
- Windows 10 Technical Preview product key: NKJFK-GPHP7-G8C3J-P6JXR-HQRJR (taken from the page linked above);
- Archiving tool like 7-Zip or WinRAR (either one is fine for the job) or just mount the iso;
- USB drive — the minimum size is 4 GB for the 32-bit version and 8 GB for the 64-bit version. Also, the faster the USB drive is the less time everything takes;
- Windows PC.
Creating bootable USB with Windows 10 Technical Preview
After having collected all the requirements as mentioned above, you will need to attach the USB drive, and follow the next steps to make a bootable Windows 10 Technical Preview USB media:
- Open a Command Prompt with Administrator rights.
- Use the “diskpart” command to open the disk partitioning software. Validate the UAC prompt, if asked, to carry on.
- Use the “listdisk” command to reveal the list of attached physical storage media. This will show all the HDDs, SSDs, USB drives and so on.
- Identify the disk number of the USB drive you are using for this process (look at the size column for easy identification; based on my experience, it is usually listed last).
- Use the “select disk X” command to select it, where “X” is the disk number of your USB drive.
- Use the “clean” command to erase the contents of the USB drive.
- Use the “create partition primary” command to create a primary partition on the USB drive.
- Use the “select partition 1” command to select the previously created partition.
- Use the “active” command to make said partition appear active, or validated.
- Use the “format fs=ntfs quick” command to format the said partition as NTFS, using the Quick routine.
- Use the “assign” command to assign a drive letter to the USB drive. Afterwards, it will show up as a drive under My Computer.
- Copy the extracted contents of the Windows 10 Technical Preview ISO to the USB drive
How to install Windows 10 Technical Preview form Bootable USB?
Now if you are confused about installation of Windows 10 Technical Preview from bootable USB you just created, booting from a USB drive can be enabled by altering the boot order under BIOS settings to have USB at the top, quickly triggering the boot menu after turning on the PC and manually selecting the USB drive, or, if you’re lucky, the PC is already set up to boot from a USB drive. Afterwards, with the device attached, you can install Windows 10 as you normally would any other Windows release.