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How to Fresh Install or Reinstall Windows 10


If you keep running into blue screen of death (BSOD) errors, or your PC is noticeably slower or hangs indefinitely, reinstalling Windows 10 is your best option to mitigate downtime and loss of work, and in this guide, we'll guide you through every step to complete the task.

Warning: Make sure to back up all of your important data (documents, pictures, videos, music, etc.) before you begin this process, you can back up data to another partition (such as D drive) or another disk.

Note: If your windows 10 has crashed, you can back up the data in the WinPE environment, check out this post.

  1. Insert the Fastoe Windows 10 USB drive to computer. Power on or restart computer. When vendor logo appears on screen, press Boot Option Key repeatedly until Boot Menu appears, select "USB: AI Mass Storage" or "UEFI: AI Mass Storage" as a boot device. You can find the Boot Option Key for your computer from the following table.
  2. When the message "Windows Boot Manager" appears on the screen, choose Windows 10 64-bit or Windows 10 32-bit system, press ENTER. (Windows 10 64-bit is recommended if you have 4 GB or more RAM. Windows 10 64-bit supports up to 2 TB of RAM, while Windows 10 32-bit can utilize up to 3.2 GB.)
  3. When the Windows installation screen appears, complete the settings (language, time, keyboard layout, etc.) and click the Next button.
  4. Click the Install Now button to prepare for Windows 10 installation.
  5. When the Activate Windows screen appears, enter the product key for Windows 10 and click the Next button, or click the I don't have a product key link to continue.
  6. Select the edition of Windows 10 (Windows 10 Home/Pro N is just windows 10 Home/Pro without Windows Media Player and related technologies pre-installed including Music, Video, Voice Recorder and Skype.), this selection must match the edition of the license activates, and click the Next button.
  7. Check the I accept the license terms option, and click the Next button.
  8. Click the Custom: Install Windows only (Advanced) option.
  9. Select the partition with the current installation of Windows 10 (usually "Drive 0"), and click the Delete button to remove the partition from the hard drive. If you see multiple partitions on the primary hard drive (Drive 0), select and delete each one. Windows 10 will recreate the required partitions during the installation process automatically. It's not necessary to remove the partitions on secondary drives. Warning: Deleting a partition also deletes all data within.
  10. Select the Drive 0 Unallocated Space, and click the Next button.
  11. Once you complete the steps, the setup will install Windows 10 on your computer. After the installation, you'll have to continue with the on-screen directions to finish the out-of-box experience (OOBE) to create a new account, set your preferences, and choose your preferred privacy settings.

Note: Do not forcibly shut down or turn off the power while Windows 10 installation is in progress. Be sure that the AC adapter, if included with the product, is connected when proceeding with Windows 10 installation.