How to Create a Bootable Windows 8.1 USB Flash Drive

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Windows 8.1 will be out in a few days . Starting October 18th everybody will be able to purchase windows 8.1 . For people who already have a legal copy of Windows 8 , They can upgrade to windows 8.1 for free from the Windows app store .

If you already have a legal copy of windows 8 then you can skip the wait and get your hands on the RTM version of Windows 8.1 . once you download the Windows 8.1 RTM , you can use your windows 8 serial key to activate windows 8.1 and use it before everybody else . Currently the RTM versions of Windows 8.1 are not officially available for everyone , except developers and students with a MSDN or Technet subscription. If you’re geeky enough , you can easily get your hands on a copy of the RTM version of Windows 8.1 online .

how to create a bootable windows 8.1 usb flash drive

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Once you get your hands on the RTM version of Windows 8.1 , you can follow this guide to create a Bootable USB flash drive to install Windows 8.1 on your PC . Also these instructions will work with the windows 8.1 preview versions too .

What do you need ?

There are many free programs out there which can help you to create a bootable windows 8.1 USB Flash drive . For this guide I would be using Rufus , because its very small and faster than all the other programs to create a bootable Windows 8.1 USB Flash drive .  Follow these instructions to create a bootable windows 8.1 USB flash drive .

Instructions to create a bootable Windows 8.1 USB Flash drive

  • Step 1: Download and run Rufus create-windows-8.1-bootable-usb-flash-drive
  • Step 2: From the device drop down menu select your USB flash drive
  • Step 3: For partition scheme . Select “  GPT partition scheme for UEFI computer “ if you have a UEFI enabled Bios , otherwise select “ MBR partition scheme for BIOS and UEFI computer “ .
  • Step 4:  For file system select Fat 32 if your windows 8.1 ISO file size is below 4 GB else choose NTFS . For a UEFI bios it is compulsory to have a FAT32 file system .
  • Step 5: Leave the cluster size at default and check the quick format option .
  • Step 6: check “ create a bootable disk using “ and select ISO image and select the Windows 8.1 RTM ISO image .
  • Step 7: Check “ create extendable label and icon
  • Step 8: Now click on start to create your bootable Windows 8.1 USB flash drive .

Once your bootable windows 8.1 USB pen drive is created , you can then process further with installing windows 8.1 on your PC . We will do a detailed guide about installing windows 8.1 very shortly .

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About the author

Lovejeet

Lovejeet is a Proud Geek and tech. enthusiast, who is ardent to learn more about the technology that surrounds us. He loves to tinker around with his gadgets and when he find something new and exciting, he shares it with you on this blog. Last but not the least he is a true gamer by heart. Connect with him on and Twitter

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