Install Windows USB Guide || Install Windows 10 or 11 from USB: Step-by-Step Guide

 How to Install Windows 10 or 11 from USB: Step-by-Step Guide

This topic covers how to manually create a Windows installation flash drive from Windows installation ISO disc image file or DVD, and is intended for manufacturers looking into creating media that they can use to manufacture Windows devices.

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Introduction

Installing Windows from a USB drive is the fastest and easiest method in 2025. Whether you're doing a clean install or replacing an old version, this guide will walk you through every step to install Windows 10 or 11 from USB — even if you’ve never done it before.

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What You Need

Before we start, make sure you have:

• ✅ A USB drive (at least 8GB)
• ✅ A working PC with internet
• ✅ Windows 10 or 11 ISO file or Media Creation Tool
• ✅ Product key (optional for Windows 10/11 Home)

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Step 1: Download the Windows Media Creation Tool

1. Go to the official Microsoft site:
   👉 Click Here

2. Select Windows 10 or Windows 11

3. Click on Download Media Creation Tool

4. Open the tool and click Create Installation Media

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Step 2 - Copy Windows Setup to the flash drive

1. Plug in your USB (back up files first)

2. Select:

   • Language: English (or preferred)

   • Edition: Windows 10/11

   • Architecture: 64-bit

3. Choose USB Flash Drive

4. Let the tool format and prepare the USB (takes 10–15 mins)

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Step 3: Boot from USB (BIOS Settings)

To boot from USB:

1. Restart the PC and enter BIOS/Boot Menu

   • Common keys: F2, F12, DEL, or ESC

2. Go to Boot Order settings

3. Set USB drive as first boot device

4. Save and exit BIOS (usually F10)

Also Use RUFUS for The Bootable Windows

Step 4: Install Windows

Once the USB boots:

1. Select your language and keyboard

2. Click Install Now

3. Enter your product key (or click “I don’t have a key”)

4. Choose Custom Install

5. Select your main partition (usually Drive 0)

   • Format it if you're doing a clean install

6. Let the installation complete (15–30 mins)

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Step 5: Set Up Windows

After the install:

• Set up user name, password
• Connect to Wi-Fi
• Sign in with Microsoft account (optional)
• Choose privacy settings
• Let Windows finish setup

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Bonus Tips

• Back up your data: Before installing Windows 11, create a complete backup of your important files. An external hard drive with automatic backup software provides the most reliable protection.
• Update drivers: After installation, check for and install any available driver updates for your hardware.
• Activate Windows: If you didn’t enter a product key during installation, you’ll need to activate Windows 11 after the installation is complete.
• Check for updates: Once installed, use Windows Update to check for and install any available updates for your system.

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Conclusion

Now you’ve successfully learned how to install Windows from a USB in 2025. This method is fast, simple, and works on laptops and desktops alike. Whether you're fixing a corrupted OS or upgrading to a fresh Windows, this guide has you covered.