![]() Step 3 : Make sure the Boot Selection option is set to Disk or ISO image then click Select. Click on Device and choose the USB you want to use from the drop-down menu. Step 2 : Rufus will automatically detect your USB. Step 1 : Open up Rufus and plug your clean USB stick into your computer. Once you’ve got these ready, just follow these steps to make your own bootable USB: A spare USB stick (an 8GB USB should be plenty for Windows 10 but make sure you have one that’s large enough for the ISO you’re using). ![]() The latest version of Rufus (available online from ).To create a bootable USB using Rufus, all you need is: Rufus is one of several programs that allow you to create an “ISO image” on a USB stick. This can be useful if you ever need to recover, repair or install an operating system on your computer. By running the bootable USB however, you can boot up your computer using the USB’s ISO image instead. Normally, whenever you start up your computer, it boots from the operating system stored on your internal hard drive. This could, for example, be a Windows installation CD. Now you need to go to the Boot directory and copy the contents to a USB flash drive using Copy-Item cmdlet:īootsect.exe /nt60 "$($Results.DriveLetter):"Ĭopy-Item -Path "$($ISO):\*" -Destination "$($Results.A “ bootable USB” is a regular USB storage device (like a USB stick or external hard drive) that has an “ISO image” of an operating system saved on it.Īn ISO image is an archive file that contains all the information found on an optical disc, such as a CD or DVD. $Volumes = (Get-Volume).Where().DriveLetter).InputObjectīecause in PowerShell, I could not detect which drive letter was assigned to the mounted ISO image I had to compare the list of disks before and after mounting using Compare-Object. Mount the install ISO image of Windows 10: $Results = Get-Disk |Where-Object BusType -eq USB |Out-GridView -Title 'Select USB Drive to Create UEFI bootable device' -OutputMode Single |Clear-Disk -RemoveData -RemoveOEM -Confirm:$false -PassThru |New-Partition -UseMaximumSize -IsActive -AssignDriveLetter |Format-Volume -FileSystem FAT32 Copy the bootmgfw.efi file to the f:\efi\boot folder and rename it to boot圆4.efi.Entirely copy its contents one level up (to the F:\efi\boot directory).Go to f:\efi\microsoft\boot folder on the USB flash drive.If you are creating an install USB flash drive with Windows 7 for a UEFI computer, you need to perform additional steps: Create UEFI Bootable USB Drive to Install Windows 7 This completes the process of creating a bootable UEFI flash drive with Windows 10. The Windows Installer will assemble the swm files and apply the full wim image to the disk during the install process. The resulting files (install.swm, install2.swm, install3.swm …) need to be copied to the USB flash drive into the directory F:\sources. Imagex /split D:\sources\install.wim c:\tmp\install.swm 3000 To do this, you can use the command Dism /Split-Image:ĭism /Split-Image /ImageFile:D:\sources\install.wim /SWMFile:c:\tmp\install.swm /FileSize:3000 In this case, you will have to split the install.wim file into several files up to 4 GB in size (for example, 3 GB files). The size of the install.wim file may be more than 4 GB if you integrated updates, drivers, etc. Since the maximum file size on the FAT32 file system should not exceed 4 GB, you won’t be able to copy the large image file install.wim. Step-by-step guide on how to create a boot Windows flash drive for a UEFI system using diskpart: The procedure described below is suitable for advanced users, is performed from the command line and allows you to fully control (and understand) all the steps in the process of creating a bootable USB flash drive. You can create a bootable UEFI flash drive with the Windows install image manually. Using Diskpart to Create UEFI Boot-Stick with Windows After 10-15 minutes, your bootable USB flash drive with Windows install image for UEFI computer is ready. Boot selection: specify Windows ISO image file (you can create an ISO image with the latest Windows 10 build using the Media Creation Tool, see example) Ĭlick START to write a Windows image to a USB flash drive.Run the Rufus tool with administrator privileges and specify the following settings: In addition, it works much faster than analogs. The tool is quite compact (about 1 MB), doesn’t require installation and it’s completely free. At the moment, the Rufus version 3.10 is available on the developer’s website. It is much easier for novice users to create bootable UEFI flash drive for installing Windows using the graphical interface of the popular Rufus utility. Using Rufus to Create Windows UEFI USB stick
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