Easy steps to Install Windows-10 From USB Flash Drive


This is a full guide for installing Windows 10 from a bootable USB. The main advantages of installing a version of Windows operating system from a bootable USB is speed, when compared to the traditional way of installing Windows from a DVD.

Even though there are sample amount of free utilities out there to help you create a bootable USB of Windows 10 with in few seconds, it’s possible to prepare the bootable USB without using any other technique. All you need will be fullfill to instaling Windows 10 bootable USB.


The other advantage of this bootable windows 10 is that it’s error free, meaning you will be able to create the bootable USB without encountering any errors.

The method we use same as previous windows keep in USB as bootable windows. In other words, the procedure is so much same and should not take more than 10 minutes when done all procedure.

Here is how you can make bootable USB of Windows 10 from the easy way.

Things you will need:

# A working Windows 7/8/8.1 PC to create the bootable USB

# Windows 10 ISO or Windows 10 DVD

# A USB with 4GB+memory capsture

Important: Before you install your Windows 10 bootable media, please check the version of Windows 7/8/8.1 on which you want to make the bootable USB of Windows. This is because, you can’t prepare the bootable USB of 64-bit of Windows 10 on a PC running Windows 7/8/8.1 . In easy way, you can’t use 32-bit installation of Windows to prepare the bootable USB of 64-bit Windows.

So, please read the following instractions carefully:

# It’s not able to create 64-bit version of Windows 10 bootable USB on which a PC running 32-bit version of Windows.

# You need x64 version of Windows 7/8/8.1 to make bootable USB of Windows 10 x64.

# You can create x86 version of Windows 10 bootable USB on computer running x86 version of Windows 7/8/8.1

Install Windows 10 from USB drive

Step 1: Connect to your USB drive to Windows 7 or Windows 8 PC and move all important data to a safe location as the drive will be erased during the process. We also suggest you un-plug any other external hard drive connected to avoid  to selecting a wrong drive during the drives selections.

Step 2: Open elevated Command Prompt. To do so, you can type CMD in Start menu or Start screen and then simultaneously press Ctrl + Shift + Enter keys. Windows 7 users can also navigate to Start menu, All Programs, Accessories, right-click on Command Prompt and then click Run as administrator option. Click Yes button when you see the UAC prompt to continue.


Note that it’s very(important to open Command Prompt as administrator) to avoid the dangerous types of the errors. Be sure to open the elevated prompt. Most users ignore this step and end up errors while preparing the bootable USB. When you’re launching Command Prompt, you’ll see the UAC prompt where you need to click the Yes button.

Step 3: In the elevated Command Prompt, type DISKPART and then hit enter key.


Now, type LIST DISK command and press the Enter key again to see all connected disks. This is the important step is you should note the disk number assigned for your internal hard disk and your connected USB drive.install-windows-10-from-usb-drive-step2


If you have only one internal HDD or SSD,1 will be the disk number of your USB drive. As you can see in the above picture, the disk number for this USB drive is 1.

Step 4: Type all the following commands one after next  and press enter key after each command.


(IMP: In the above command, replace”1” with the disk number of your USB drive obtained in the previous step. Entering a wrong disk number will cause data loss. So please double check the disk number before entering the disk number.)

(press enter key)


(press enter key)


(press enter key)


(press enter key)


(press enter key)


IMP: If your PC supports UEFI, please format the drive with FORMAT FS=FAT32 Quick command.

(press enter key)


(press enter key)


(press enter key)


Since we aren’t finished yet, please don’t close the Command Prompt. Simply minimize it to the tolebar and then follow the instructions in the next step.install-windows-10-from-usb-drive-step3

Step 5: If you’re on Windows 8/8.1 and have the ISO image of Windows 10, right-click on the ISO image and then click Mount option to mount the ISO file. After mounting, open This PC (Computer) and note the drive letter of it.


And if you’re on Windows 7, use an image mounting software such as Virtual Drive and note the drive letter after mounting the ISO. If you’re not sure how to go with it, please follow our how to mount an ISO file in Windows 7 guide for step-by-step instructions to mount your Windows 10 ISO and get the drive letter.


In this guide, we’re assuming “J” as the drive letter of the virtual drive where you have mounted Windows 10 ISO.

And if you have the DVD of Windows 10, simply insert the DVD into the optical drive and note the drive letter of your optical drive. You can then use this drive letter whenever needed.

Step 6: Maximize the Command Prompt that you had minimized in Step 4 and execute the following commands one after another.


(Hit enter key)

Here “J” is the drive letter of your virtual drive containing Windows 10 ISO or DVD drive containing installation files.

CD BOOT and press enter.

Step 7: Finally, this is the following command:


In the above command, replace “K” with the drive letter of your USB drive that you’re making bootable USB drive.


Once you see “Bootcode was successfully updated on all targeted volumes” message, simply close the Command Prompt. We are almost done!

Step 8: Finally, copy all the contents of your Windows 10 ISO image to the root of the USB drive. You can either extract ISO file contents or copy files from the mounted drive. The same procedure applies even if you have the DVD of Windows 10. You just need to copy all files to the root of the USB drive.

Step 9: Now you have your Bootable USB of Windows 10, turn on the PC on which you want to install Windows 10, enable booting from USB, set the boot priority to boot from USB, and then restart your PC again to installing Windows.

Step 10: Follow the very simple on-screen instructions to complete the installation and all work done.

If you come across any issues while preparing the Bootable USB or installing Windows 10, do let tell us by leaving a comment. Before leaving your comment, please double check that you have used an elevated prompt to prepare your Bootable USB drive.

Now you can enjoy the latest version of Windows operating system.