How to change Windows version using USB

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To change Windows version you will need to have ISO file of Windows version you need, flash drive.

How to Download older versions of Windows 10 using Rufus
 

• To create a USB media with an older version of Windows 10, use these steps:
   
• Open Rufus website.
   
• Under the “Download” section, click the link to download the latest version.
   
• Double-click the executable to launch the tool.
   
• Click the Settings button (third button from the left) a the bottom of the page.
• 
   
• Under the “Settings” section, use the “Check for updates” drop-down menu and select the Daily option.
• 
   
• Click the Close button.
   
• Click the Close button again to close the app.
   
• Open Rufus again.
   
• Under the “Device” section, use the drop-down menu, and select the USB drive to create the installation media.
   
• Under the “Boot selection” section, use the drop-down menu and select the Disk or ISO image option.
   
• Click the down arrow button on the right side, and select the Download option.
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• Click the Download button.
   
• Select the Windows 10 option. 
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• Click the Continue button.
   
• Under the “Release” section, select the older version of Windows 10 to download:
• 
• Click the Continue button.
   
• Select the edition, including Windows 10 Home and Windows 10 Pro, or Windows 10 Education.
   
• Click the Continue button.
   
• Select the language of Windows 10.
   
• Click the Continue button.
   
• Select the operating system architecture (x64 or x86). (If it’s a newer device, you’ll need to select the x64 option.)
   
• Click the Download button.
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• Select the location to save the Windows 10 ISO automatically.
   
• Continue with the default settings after the download.
   
• Click the Start button.
  
   
• Click the OK button to confirm the deletion of the USB drive data.

 

After that you will need to boot from USB
How to boot from USB

 

Step 1

• Enter you computers BIOS setup utility
   
• To enter BIOS you will need to press key or combination of keys when your pc is starting up
   
• If you are not sure which key is it, restart your pc and watch out for the information on the screen at the very begginning of the start up progress. It will often say something like "Press something to enter setup"

 

Step 2

Navigate your way to "Boot" section of BIOS

Once you enter your PC's BIOS setup utility, look for an option to change boot order

• Usually Boot section will be called "Boot, Boot options, Boot sequence or Advanced options"

 

Step 3

Change boot order

• Once you've located the page for boot order options in BIOS, you will see list of options that your computer can load up from
   
• Change the list order so that USB device or Removable Devices is listed first

STEP 4

• Save changes
   
• Navigate to the Save and Exit or Exit menu and choose option that says "Save and Exit, Exit with changes saved" or something simular
   
• You may get the confirmation message as you're exiting BIOS. Read it carefully to make sure you click the correct option to save the changes
   
• Your computer will automatically restart once you exit BIOS

 

How to install Windows using 10 using bootable USB

• Plug in USB device that you used in first part of guide, and start up the computer (You may be asked to press a key to boot up from USB
   
• Choose your preferred language, timezone, currency, and keyboard settings. After you set everything that you want, click next
   
• Click Install Now and choose your Windows edition
   
• Choose your installation type. You can choose either Upgrade (it will keep your files, setting and apps) or do a fresh clean installation by clicking "custom". In this guide i will show how to do fresh clean installation
   
• To install Windows you need a partion on your hard drive for storing system files; this will become the main C : drive. You can either pick an existing partition and format it, or you can delete everything and create new partitions.

  • Note: If you haven’t yet backed up your hard drive, you may want to stop now, back everything up, and start over. Once you’ve deleted a partition, you won’t be able to recover the data previously stored on it.
    You can either use one of the existing partitions on your hard drive by formatting it or you can delete the ones there and create new ones from fresh instead:
     

  • To use one of the existing partitions, select it, and click Format.
  • 
     
  • To delete the existing partitions, select each one and click Delete, then OK.

 

• If you’ve deleted all the existing partitions, your harddrive’s space will be unallocated, and you’ll need to create new partitions.

  •  

    Click Drive options (advanced).
    
     

  • Now click New and choose the size for your new partition, then click Next.
    
     

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    Windows will now create a new partition for storing system files. Click OK to accept.
    
     

  • Repeat this process if you wish to create more partitions.
    Once you’ve finished creating all the partitions you want, format each one except for the partition you want to store your Windows system files on. Select the partitions one by one and click Format,then OK when prompted.

• Now select the partition where you want to install Windows and click Next. The Windows 10 installation will begin. Your computer may reboot a few times during the process. This is normal.
   
• After the installation is complete, your computer will automatically restart one last time. When it starts up again for the first time, you’ll be able to choose more of your settings, or you use express settings recommended by Microsoft.
   
• Finally, sign in to your Microsoft account to use some of the new features with Windows 10 such as password recovery, and to access One Drive. If you don’t want to sign in with your Microsoft account, click Skip this step and follow the instructions to create a local user account instead.