Preparing Your USB Drive and Windows 10 Installation Media
To embark on the journey of installing Windows 10 from a USB drive, the initial and most crucial step involves meticulously preparing your bootable media. This process demands careful attention to detail, ensuring that your USB drive is not only formatted correctly but also contains the necessary Windows 10 installation files in a bootable configuration. The primary tool for achieving this is the official Microsoft Media Creation Tool.
Downloading the Media Creation Tool
The first action is to navigate to the official Microsoft Windows 10 download page. Search for “Download Windows 10” and select the link that directs you to the Microsoft Software Download website. On this page, you will find a prominent button labeled “Download tool now.” Clicking this will initiate the download of the Media Creation Tool, a lightweight executable file that orchestrates the entire process of creating your bootable USB. It’s imperative to download this tool directly from Microsoft to guarantee the integrity and authenticity of the software, thus avoiding potential security risks or compatibility issues.

Running the Media Creation Tool and Accepting Terms
Once the download is complete, locate the MediaCreationTool.exe file and run it. You will be greeted with a User Account Control (UAC) prompt; click “Yes” to allow the tool to make changes to your device. The tool will then proceed to download necessary updates and prepare a few things. After a brief waiting period, you will be presented with the Microsoft software license terms. It is advisable to review these terms, though many users will proceed by clicking the “Accept” button to continue.
Creating Installation Media for Another PC
The next critical decision point within the Media Creation Tool involves selecting what you want to do. For creating a bootable USB drive to install Windows 10 on another computer (or the same one if you’re performing a clean install), you must choose the option “Create installation media (USB flash drive, DVD, or ISO file) for another PC.” This option unlocks the pathways to constructing your portable operating system installer. If you were looking to upgrade the current PC, you would select the other option, but that is not the purpose of this guide.
Selecting Language, Architecture, and Edition
After selecting the option to create installation media, the tool will present you with a “Select language, architecture, and edition” screen. By default, the tool will recommend options based on your current PC’s settings. However, for creating media for another PC, it is essential to uncheck the box labeled “Use the recommended options for this PC.” This empowers you to specify the exact configuration required for your target machine.
You will then need to select the desired language for your Windows 10 installation. Following this, choose the architecture: “32-bit (x86)” or “64-bit (x64).” The vast majority of modern computers are 64-bit, and it is generally recommended to choose this unless you have a specific reason to install a 32-bit version. Finally, the edition of Windows 10 you wish to install will be presented. This typically includes Windows 10 Home and Windows 10 Pro. Select the edition that corresponds to the license you possess or intend to use. It’s crucial to ensure these selections accurately reflect the specifications of the computer on which you plan to install Windows 10.
Choosing the Media Type: USB Flash Drive
The subsequent screen asks you to “Choose which media to use.” For this guide, we are focused on installing from a USB drive, so you will select “USB flash drive.” Ensure that the USB drive you intend to use is plugged into your computer. It’s important to note that the USB drive must have a minimum capacity of 8GB. All data currently on the selected USB drive will be erased during this process, so back up any important files before proceeding. Once you’ve selected “USB flash drive,” click “Next.”
The Media Creation Tool will then prompt you to select the USB drive you want to use from a list of connected removable drives. Carefully choose the correct USB drive, as selecting the wrong one could lead to accidental data loss on another device. After selecting the drive, click “Next.” The tool will then commence the process of downloading the Windows 10 files and making your USB drive bootable. This can take a significant amount of time, depending on your internet speed and the performance of your computer and USB drive.
Formatting the USB Drive and Copying Files
This section details the actual transfer of the Windows 10 installation files to your USB drive, transforming it into a bootable installer. The Media Creation Tool automates much of this, but understanding the underlying process offers valuable insight.
The Media Creation Tool’s Automatic Formatting
When you select the “USB flash drive” option in the Media Creation Tool, it implicitly handles the formatting process. The tool will format the USB drive using the appropriate file system (usually FAT32 for broader compatibility, though NTFS is also used in some scenarios) and then partition it to accommodate the boot sector. This ensures that the computer’s BIOS or UEFI firmware can recognize the drive as a valid boot device.
Following the formatting, the tool meticulously copies all the necessary Windows 10 installation files and bootloader components onto the USB drive. This includes the operating system image (install.wim or install.esd), setup executables, and various driver files. The successful completion of this stage results in a fully functional, bootable Windows 10 installation media. It is crucial to allow the Media Creation Tool to complete this process without interruption. Aborting the process midway can result in a corrupted or non-bootable USB drive, requiring you to restart the entire creation process.
Manual Formatting (Advanced Users)
While the Media Creation Tool is the recommended and most straightforward method, advanced users may sometimes opt for manual formatting and file copying. This is generally only necessary if the Media Creation Tool fails or if a specific file system configuration is required. To do this manually, you would first need to download the Windows 10 ISO file from Microsoft. Then, using Diskpart or a similar utility, you would format the USB drive, typically to FAT32 for UEFI booting or NTFS for older BIOS systems. After formatting, you would mount the ISO file and copy all its contents to the formatted USB drive.
However, it’s important to note that simply copying files from an ISO to a USB drive without proper boot sector configuration will not make it bootable. Tools like Rufus or the Media Creation Tool handle this crucial boot sector setup. For the average user, sticking with the Media Creation Tool is the most reliable approach.
Verifying the USB Drive Contents
Once the Media Creation Tool has finished its work, it will present a message indicating that the USB flash drive is ready. Before ejecting the drive, it’s a good practice to open File Explorer and navigate to the USB drive. You should see a collection of folders and files, including boot, efi, sources, support, and several .exe and .dll files. The presence of these files confirms that the copy operation was successful and the drive is likely bootable. Safely eject the USB drive from your computer.
Booting from the USB Drive and Starting the Installation
With your bootable Windows 10 USB drive prepared, the next step is to configure your target computer to boot from it. This involves accessing the computer’s BIOS or UEFI settings.

Accessing BIOS/UEFI Settings
Restart the computer on which you intend to install Windows 10. As the computer powers on, you will need to press a specific key repeatedly to enter the BIOS or UEFI setup utility. The key varies by manufacturer but commonly includes Del, F2, F10, F12, or Esc. Most computers display a brief message on the screen during startup indicating which key to press (e.g., “Press F2 to enter Setup” or “Press DEL to enter BIOS”). If you miss this prompt, restart the computer and try again.
Changing the Boot Order
Once you are inside the BIOS/UEFI setup utility, navigate through the menus to find the “Boot” or “Boot Order” settings. The exact location and naming conventions can differ significantly between motherboard manufacturers and BIOS versions. Look for options related to boot devices, boot sequence, or boot priority.
Within the boot order settings, you will see a list of devices your computer can boot from. Your goal is to move your USB drive (it might be listed by its brand name or as “USB HDD,” “Removable Device,” or similar) to the top of this list, making it the first boot device. Use the arrow keys to highlight the USB drive and the designated keys (often +/- or Page Up/Page Done) to move it up in the priority list.
Saving Changes and Exiting BIOS/UEFI
After successfully setting the USB drive as the primary boot device, you need to save your changes and exit the BIOS/UEFI setup. Typically, there is an option like “Save and Exit Setup” or a dedicated key (often F10) for this purpose. Confirm your decision when prompted. The computer will then restart.
Initiating the Windows 10 Setup
If you have correctly configured the boot order, the computer will now attempt to boot from your USB drive. You should see a message similar to “Press any key to boot from CD or DVD…” or a similar prompt for USB. Press any key on your keyboard immediately when this message appears to initiate the Windows 10 setup process from the USB drive. If you miss this prompt, the computer will attempt to boot from its existing hard drive, and you will need to restart the process by rebooting and entering the BIOS/UEFI again.
Upon successful booting from the USB, you will be presented with the initial Windows 10 setup screen, which typically displays language, time, and keyboard input options. Select your preferred settings and click “Next” to proceed. The next screen will have a prominent “Install now” button. Click this to begin the actual installation of Windows 10.
Installing Windows 10: Setup Process and Configuration
This section guides you through the interactive steps of the Windows 10 installation.
Product Key and Edition Selection
The first step in the installation wizard is to enter your Windows product key. If you have a valid product key, enter it here. If you are reinstalling Windows 10 on a computer that previously had it activated, you might be able to skip this step by clicking “I don’t have a product key.” Windows will automatically activate later if the hardware is recognized as having a digital license. If you are performing a clean install on new hardware or a different edition, you will need a valid product key.
On the next screen, you will be asked to select the edition of Windows 10 you wish to install. This should match the edition for which you have a license (e.g., Windows 10 Home, Windows 10 Pro). Choose the correct edition and click “Next.”
Accepting License Terms and Choosing Installation Type
You will then be presented with the Microsoft software license terms. Read through them and check the box that says “I accept the license terms.” Click “Next” to continue.
The installation wizard will then ask you to choose the type of installation you want. You will see two options:
- Upgrade: Install Windows and keep files, settings, and applications: This option is used if you are upgrading from an older version of Windows. However, since we are installing from a USB, and assuming a clean installation or reinstallation, this option is usually not applicable for a bootable USB scenario where you intend to format the drive.
- Custom: Install Windows only (advanced): This is the option you should select for a clean installation of Windows 10. It allows you to manage disk partitions and choose where to install the operating system.
Disk Partition Management
Upon selecting “Custom: Install Windows only (advanced),” you will be presented with a list of drives and partitions on your computer. This is a critical step where you decide where Windows 10 will be installed.
- For a Clean Install on a New or Existing Drive: If you are installing on a new hard drive, it will likely appear as “Unallocated Space.” You can select this space and click “New” to create partitions. Windows will automatically create a system partition (for boot files) and a primary partition for the OS. If you are reinstalling on an existing drive and want to wipe it clean, select the existing Windows partition(s) and click “Delete.” Be absolutely sure you are deleting the correct partitions, as this action is irreversible. After deleting, you will have unallocated space where you can create new partitions. Select the primary partition you’ve created (or the unallocated space if you want Windows to manage it) and click “Next.”
- For Dual Booting: If you are setting up a dual-boot system, you will need to have already created unallocated space on your drive for the new Windows 10 installation. Select this unallocated space and click “Next.”
The Windows 10 installation process will now begin, copying files, installing features, and applying updates. This stage will involve several automatic restarts. Do not remove the USB drive until prompted, or until you have completed the initial setup and have successfully booted into Windows.

Initial Setup and Personalization
After the core installation files are copied and applied, Windows 10 will guide you through the initial setup and personalization. This includes:
- Region and Keyboard Layout: Selecting your country/region and keyboard layout.
- Network Connection: Connecting to a Wi-Fi or Ethernet network.
- Account Setup: You will be prompted to sign in with a Microsoft account or create a local account. For a local account, you might need to click on “Offline account” or “Skip for now” depending on the Windows version.
- Cortana Setup: Deciding whether to enable or disable Cortana, the Windows digital assistant.
- Privacy Settings: Configuring various privacy options, such as location services, diagnostic data, and advertising ID.
Carefully review each of these settings to tailor Windows 10 to your preferences and privacy concerns. Once you complete these steps, you will be presented with your new Windows 10 desktop, signaling the successful installation from your USB drive. You can now remove the USB drive.
