What size USB drive is needed to burn Windows?

The minimum required for Windows 10 or 11 is 8 GB, but a 16 GB flash drive is strongly recommended to ensure sufficient space and avoid any issues during burning or installation.

Will the USB drive data be deleted when burning Windows to it?

Yes. All data on the flash drive will be automatically deleted during the burning process. Make sure to copy any important files from the drive to another location before starting.

Can the USB drive be used for regular file storage after burning Windows?

Yes. After completing the Windows installation on your computer, you can format the flash drive and use it normally for file storage. If you want to keep it as a bootable drive for future use, don't format it.

What's the difference between NTFS and FAT32 when burning Windows?

FAT32 is compatible with most old and new devices but doesn't support files larger than 4 GB. NTFS supports large files and is preferred for modern Windows 10 and 11 builds. If the Windows ISO you're burning is under 4 GB, choose FAT32. If it's larger, choose NTFS

What should I do if my device doesn't recognize the bootable USB on startup?

Make sure BIOS settings are correctly configured with USB set as the first boot option. If your device supports UEFI, try disabling Secure Boot in BIOS settings. Also verify that the flash drive appears in the BIOS boot menu, and try a different USB port if needed.

How to Burn Windows to a USB Flash Drive — Rufus & EaseUS OS2Go Guide

How to Burn Windows to a USB Flash Drive

Creating a bootable Windows USB drive lets you install Windows from a flash drive instead of using a disc or other traditional methods. The key advantage is that it makes the Windows installation process faster and more convenient than booting from a DVD.

Why Use a USB Drive Instead of a DVD?

USB flash drives offer significantly faster speeds and greater flexibility for installing Windows compared to CDs and DVDs. Unlike discs which can only be burned once, flash drives can be rewritten multiple times. They also provide much faster file transfer speeds during installation, making the entire process considerably quicker.

What You Need Before Starting

A USB flash drive with at least 8 GB of capacity (16 GB recommended).
A Windows ISO file (Windows 7, 10, or 11).
A burning tool (Rufus or EaseUS OS2Go).

⚠️ Warning: All data on the USB drive will be erased during the burning process. Back up any important files beforehand.

Method One: Burn Windows Using Rufus

Rufus is considered one of the best and easiest programs currently available for this purpose — it's small in size and straightforward to use.

Rufus is lightweight, supports multiple languages including Arabic, and is completely free. It also comes in a portable version that requires no installation.

Steps:

Download Rufus from its official website and open it. When Rufus opens for the first time, it asks whether to check for updates periodically — select Yes if you plan to use it again in the future.

From the dropdown menu under Device in Rufus, select the USB storage device you want to burn the ISO file to.

Leave the program settings as they are without any changes, then click the Select button and choose the ISO file of the Windows version you want to burn to the flash drive. Finally click the Start button at the bottom of the program window — the program will immediately begin burning Windows to the flash drive. All you need to do is wait for the burning process to finish completely.

💡 Tip: If you're burning a Windows build with files larger than 4 GB, set the file system to NTFS. For a standard Windows ISO smaller than 4 GB, FAT32 is the better choice.

Method Two: Burn Windows Using EaseUS OS2Go

EaseUS OS2Go is one of the best tools currently available for burning Windows to a USB flash drive — suitable for both Windows 10 and Windows 11 without any conflicts during later installation.

The program lets you create a bootable drive on both Windows and Mac systems with just a few quick clicks, with a simple and easy-to-use interface. It offers three different usage modes — the first lets you burn the currently installed Windows version on your device, and the second is for burning an external Windows ISO, requiring the flash drive to be larger than the Windows version you're burning.

Method Three: Burn Windows Using PowerISO

From PowerISO's main interface, click the Tools tab and then select Create Bootable USB Drive from the dropdown menu. Browse to locate your ISO file and select it. After confirming all settings are correct, click Start and wait for the burning process to complete.

Setting BIOS to Boot from USB

Before installing Windows on your device, you need to change the default Boot setting in BIOS to boot from the flash memory.

How to access BIOS: Restart your device and press the BIOS key (varies by device: F2, F12, DEL, or ESC). In BIOS settings, find the Boot Order or Boot Priority section and set USB as the first boot option. Save settings and exit — your device will automatically boot from the flash drive.

Final Thoughts

Creating a bootable Windows USB drive is now a quick and simple process that takes just a few minutes. Rufus is the best choice for most users thanks to its simplicity, being completely free, and its small size. EaseUS OS2Go is the best option for those who want to clone their currently installed Windows directly to a flash drive. PowerISO is suitable for those already using it for other purposes.