Title Installing Windows on Mac Using USB

If you want to run Windows on your Mac without using Boot Camp, this article will be very useful to you. Many users seek a smooth and effective integration of both operating systems.

The process of installing Windows without Boot Camp requires careful preparation. Prepare for potential problems, but also anticipate the versatility you will achieve with your Mac.

Preparing Your Mac for Installation

To run Windows on your Mac without Boot Camp, we will follow these steps, which we will review in detail below:

  1. core/list-item Get a USB drive with at least 64 GB. This will be used to create a bootable Windows installer.
  2. Obtain a Windows 11 ISO and make sure you have a license for activation.
  3. Download Boot Camp drivers, even if you don’t use Boot Camp Assistant. These drivers are necessary for your Mac’s hardware to work with Windows.
  4. Use EaseUS OS2Go to turn your USB drive into a portable Windows platform.
  5. Ensure your Mac has at least 30 GB of free space to install Windows.
  6. Use Disk Utility to partition your Mac’s hard drive. Allocate space for Windows and format it correctly for installation.
  7. With your partitioned drive and bootable USB ready, you can boot from the USB and start the Windows installation process.

Obtaining the Windows ISO File

To set up Windows on your Mac without using Boot Camp, start by obtaining a Windows ISO file from the Microsoft website. This file is crucial; it contains the complete setup of Windows and can be transferred to a USB drive or other installation media.

For a hassle-free download of the Windows ISO, remember:

  • Choose the correct version:
    • Either Windows 10 or Windows 11, depending on what works with your Mac.
    • Most Intel-based Macs will use the 64-bit version.
    • Macs with Apple Silicon will need the ARM-based version, although this is not officially supported.
  • Download steps:
    • Go to the Microsoft website.
    • Find the Windows download section.
    • Choose the edition and language of the Windows ISO.
  • Verify and save:
    • Have a valid Windows license.
    • Confirm that the ISO file is genuine and intact.
    • Safely store the file for future use.

Creating the Bootable USB Drive

To create a bootable Windows USB drive on your Mac without using Boot Camp, download and install a tool like EaseUS OS2Go. It simplifies the creation of a Windows USB drive capable of booting from a Mac’s EFI partition.

Insert a USB drive with at least 64 GB of space into your Mac. Launch EaseUS OS2Go and select your USB drive as the destination for the Windows operating system.

The process is straightforward:

1Select the USB Drive
2Format the USB Drive
3Copy Windows Files
4Set Up for EFI Boot

EaseUS OS2Go will format your USB drive and set up the necessary partitions. Follow the prompts to transfer the Windows files to the USB drive. After completing this, you will have a bootable USB drive for Windows installation.

To start the installation, restart your Mac, hold down the Option key to access the boot manager, and choose the EFI boot option.

Partitioning Your Mac’s Hard Drive

Launch Disk Utility on your Mac and select the disk you plan to partition for the Windows installation. As a Mac user, you will create a partition on your Mac’s internal hard drive specifically for Windows, keeping your current macOS partition intact. This is crucial for running both operating systems on your Mac independently of Boot Camp.

Here’s how you can partition your Mac’s hard drive:

  • Select ‘Partition’
  • Click on the plus icon (+) to add a partition
  • Allocate at least 30 GB to the new partition
  • Label your partition, for example, ‘Windows’
  • Format the partition as ‘MS-DOS (FAT)’ for it to be recognized by the Windows installer

Once you have named and formatted the partition, confirm the changes. Your Mac will create the new partition, protecting the current macOS setup.

Installing Windows on Your Mac

After setting up a dedicated partition on your Mac’s hard drive for Windows, you are ready to install it. You will need a USB drive with at least 64 GB of storage to serve as a bootable Windows installer. Tools like EaseUS OS2Go can help you create this installer.

Start by connecting the bootable USB drive to your Mac’s USB port. Then, restart your Mac and immediately press and hold the Option key to open the boot manager. Here you will find different boot options, including EFI Boot, which corresponds to your Windows USB installer. Choose it to start the installation from the USB drive.

The on-screen instructions will guide you through setting up Windows. When prompted to choose an installation location, select the partition you created for Windows. This ensures that the installation does not interfere with the existing macOS on your Mac.

After installing Windows, activate it with a valid license. Since you are not using Boot Camp, you will need to download Boot Camp drivers compatible with your Mac to ensure that all the hardware works correctly.


After completing the preparation steps and obtaining the Windows ISO, you have successfully created a bootable USB drive.

With your Mac’s hard drive now partitioned, you have Windows installed alongside macOS and can effortlessly switch between operating systems. Make the most of your Mac’s expanded capabilities.