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Do you want to create a bootable Windows 10 USB drive without formatting it?

We all know that most tools like Rufus and Media Creation Tool format the USB drive copying the files and making it bootable. There are other tools like WinToFlash and Passcafe ISO burner, they all require you to format the drive before making it bootable.

In this guide you will learn how to create a bootable Windows 10 drive without having to format it. In other words you can create your own USB drive without losing data that you may have no place to leave for later use.

EasyBCD is a free tool (for personal use) designed to help you create a bootable Windows 7/8/10 USB drive without erasing data. This tool also allows you to change boot settings on your system so make sure you select you USB drive in this guide and not your system drive.

Also make sure you use this method on a FAT32 USB drive and not NTFS. If your USB drive is formatted using NTFS mode this tutorial won’t work.

Create Your Own Bootable Windows 10 Drive

Create a Bootable Windows 10 USB Drive Without Formatting

First download the Windows 10 ISO and right-click on it and choose “Mount“.

Once the ISO file is mounted the Explorer will open the virtual DVD Drive.

Press CTRL+A to select all files and copy them using CTRL+C. Now go to your USB drive (make sure it’s FAT32!) and paste the files using CTRL+V.

Then download EasyBCD and install it on your computer. Just click “Next” multiple times and job done.

Fire up EasyBCD and click on “BCD Deployment“.

Select your flash drive partition in the Partition section and click “Install BCD“.

If you see a window informing you that EasyBCD has successfully converted the selected disk into a bootable drive. Click “Yes“.


Your USB drive is now bootable without formatting it!