How to Copy Windows 7 to USB Drive and Make It Bootable?
This page is about how to copy Windows 7 to USB using Command Prompt and a versatile partition manager, and then you can make the USB drive bootable.
Copying Windows 7 operating system onto USB flash drive can be useful in many cases, and below are two most common situations.
1. Install Windows conveniently
With each new release of Windows, the installation time gets shorter and shorter. However, Windows is still released in DVD or ISO form, and installing Windows OS from optical media is also still too slow. So, many users choose to install OS from USB drive, which is much faster and more convenient. To make a bootable USB as a Windows installer, you have to know how to copy Windows 7 to USB from ISO or DVD.
2. Create a portable Windows drive
Secondly, lots of computer users want to clone or copy Windows 7/8/10 to USB drive to make a portable Windows USB so that they can keep their customized OS environment in their pocket, carry around and boot familiar OS on other computers, even the brand-new one. Besides, when the computer crashes suddenly, they can also rescue it with the portable Windows USB drive.
Since we have listed the two most common situations where you might want to clone Windows operating system onto a USB flash drive, now we will introduce how to do it in detail respectively.
First of all, we would like to tell how to clone Windows 7 onto a USB flash drive using CMD (Command Line) with the purpose of installing OS conveniently.
1. Connect your USB drive to the computer and make sure it is recognized.
2. Open a command prompt as Administrator: press “Win+R” combination to open Run dialogue, input “cmd” in the box and press on “Enter”.
3. Run the following commands to partition and format the USB drive.
● list disk
● select disk 1: modify disk number as needed
● create partition primary
● select partition 1
● format fs=ntfs
● exit: exit DISKPART, but leave the command prompt window open
4. Mount the Windows installation media: put the Windows installation disc in the optical drive, mount the ISO, or extract its contents to a folder.
The ISO file will now be extracted to a sub-folder with the same name as the ISO file. This can take a few minutes to complete.
5. Use BOOTSECT command to make the USB drive bootable
After the media mounted to extracted, run the commands below to update the filesystem on the flash drive to make it bootable.
● cd boot
● bootsect.exe /nt60 F:”
6. Use ROBOCOPY command “robocopy E:F: /s /v /mt: 16”to copy the contents of the Windows installation media to the USB drive
When it completes, type “Exit” to leave the command prompt. Then you can boot your computer from the bootable USB drive and install Windows. Besides copying Windows 7 onto USB drive from DVD/CD using Command Prompt, you can also use Windows 7 USB/DVD Download Tool, a free utility that will automatically make a bootable USB flash drive using a Windows 7/8/10 ISO image file.
Simply download the tool, choose the ISO file and USB drive, then the Wizard will do everything for you.
This section is about how to copy Windows 7 to USB flash drive to make a portable Windows operating system. For this task, Windows released a new feature named “Windows To Go” for Windows 8/8.1 Enterprise and Windows 10 Education/Enterprise/Pro. With that, users can burn Windows ISO files to USB, boot and run Windows from USB devices.
But it cannot work on Windows 7 and Windows 8/8.1 Home/ Pro/Education as well as Windows 10 Home. Thus, you can use AOMEI Partition Assistant Professional instead. It developed a more powerful and versatile “Windows To Go Creator”. Compared with Microsoft “Windows To Go”, it is a better choice for the below advantages:
Now, you can download the demo version and learn how to clone Windows 7 to USB drive step by step.
1. Install and run AOMEI Partition Assistant Pro on your Windows 7 computer. Connect the USB drive to the computer and make sure it is detected successfully.
2. Click “All Tools” > “Windows To Go Creator” on the left side.
3. Choose "Create Windows ToGo for personal computer" and click "Next".
4. Select the first method "Create Windows To Go with system disc/ISO" and choose the prepared ISO file. Click "Next".
5. Then choose the USB drive and click "Proceed" to start cloning Windows 7 to USB drive.
After cloning Windows OS to USB via the above methods, you can plug the USB drive into any computer at any place, enter BIOS, and change the boot order to USB first and save. Then you can successfully boot computer into your familiar Windows 10/8/7 environment.
Now, I am sure you have a clear idea of how to copy Windows 7 to a USB drive from DVD using CMD or clone Windows operating system to USB drive for a portable Windows. By the way, AOMEI Partition Assistant Pro also has many other fantastic features, such as migrating only OS drive to SSD/HDD, quick partitioning a large hard disk within two clicks, recovering lost partition, and more. To move Windows Server to USB drive, you can try AOMEI Partition Assistant Server.