How To Dual Boot Windows 11 With Windows 10

Dual Boot Windows 10 11

It is been quite some time since Windows 11 beta build (Insider Preview) has been launched. Also, it is evident that the previous Windows 10 users are loving every bit of it. Windows 11 packs some amazing features such as huge visual changes and improved design elements. However, if you are tech-savvy and love to experiment, then in this article we have come up with how to dual boot Windows 11 with Windows 10. Here we will explain how you can install the Win11 dev or beta channel on your existing Win10 computer without deleting it.

We are pleased to inform you that with the dual boot function on a single computer, you can easily boot and run either Windows 10 or Windows 11. It entirely depends on you that which Windows you want to use. Also, this unique feature will help you in testing all the advanced features that have been launched along with Windows 11 that too without even deleting/uninstalling Windows 10 system. This will help the users to determine that which Windows suit them better.

It may sound very technical and challenging, but in reality, creating a dual boot sequence and partition is quite easy. However, there are certain prerequisites that you must meet before we move forward.

Prerequisites

  • Windows 11 ISO file
  • A USB pen drive which can be flashed
  • Enough storage space to create a dual boot partition
  • A compatible desktop/laptop to install and run Windows 11 OS
  • TPM 2.0, UEFI boot type, Secure Boot, etc
Dual Boot Windows 11

How to Dual Boot Windows 11 with Windows 10

It is highly recommended to take a full backup of your device before you start with the process since it can wipe the entire data off your phone.

If you are sure that your PC is compatible enough to run Windows 11 OS properly, you’ll have to get the Win11 ISO image file. Next, you will be required to create a bootable flash drive if you already have a USB flash drive (pen drive). Also, we must bring it to your notice that if you don’t have a USB flash drive, you can directly mount an ISO image file.

Step 1. Download Windows 11 ISO

  • Visit the UUP Dump website.
  • Next, you have to search for the latest Windows 11 Dev/Beta channel release. Also, download the version that is in accordance with the architecture of your PC. [x64/x86/arm64]
    • You can check out the specific architecture of the specific computer from Windows Settings > About. Here you can see System Type under Device Specification.
  • After you click on the Windows 11 Insider Preview build (link), you can select Language > and then click on Next.
  • Ensure that the Windows 11 OS Edition you download is in accordanc to your Windows 10 OS Edition from the Windows Specification option (Windows Settings > About).
  • Now, you have to click on Next > Select Download and convert to ISO.
  • You have to tap on Create download package. It will download a compressed zip file.
  • Extract the zip file into a folder > Double-click on the ‘uup_download_windows’ file as you’re running Windows on your PC.
  • Now, a Command Prompt or Terminal window will appear on your screen. The download progress will also appear on your screen. It indicates Windows 11 Insider Preview build download.
  • Have patience and wait for the download progress to finish. Once the process is finished, it’ll ask you to ‘Press 0 to exit.’
  • Press the 0 (zero) key to exit the command prompt window.
  • Head over to the same extracted zip folder again, and check whether the Win11 ISO (disk image file) is available or not.

If the process goes as follows, then you’re ready to follow the next method.
If things do not go accordingly, then you should try disabling the antivirus software temporarily and then re-download the ISO image file again.

Step 2.  Create Windows 11 Bootable Media

It is recommended for you to use the Windows 10 Media Creation Tool from the official Microsoft website for Win11. Now, you have ‘Create Windows 11 Bootable USB Drive’ using Rufus.

Step 3. Shrink a Volume or Disk Partition

Now you will be required to shrink the current partition to make another disk space to install Windows 11. In order to do so, follow the below-given steps:

  • You have to press the Windows + R keys to open the Run dialog box.
  • Now, you have to type diskmgmt.msc and click on OK to open Disk Management.
  • Select a drive that has enough space to install Win11. So, right-click on any volume and select Shrink Volume.
  • It will prompt a dialog box to appear on the screen. In this box, you’ll have to enter the amount of space that you want to shrink in MBs > Click on Shrink.

For example: If your current volume has 150 GB space available, then you’ll have to enter 70000 in the Shrink field. It’ll shrink your current volume to 80 GB, and the remaining 70 GB will be left as Unallocated space.

Step 4: Create a New Volume

  • To create a new volume, then you have to right-click on the Unallocated space.
  • Click on New Simple Volume to select it.
  • Now, from the new Simple Volume Wizard menu, click on Next.
  • Ensure that you enter the specific space size for the new volume and click on Next.
  • You’ll have to Assign any of the drive letter options from the drop-down list and click on Next.
  • Also, ensure that you select Format this volume with the following settings: from the wizard.
  • Here, you will need to select NTFS for the File System > Allocation unit size – Default > Volume Label – Windows 11 respectively.
  • Click to checkmark the Perform a quick format option.
  • At last, you will have to click on the Finish button to create a new partition easily.

Step 5:  Install Win11 with Win10 (Dual Boot)

Now you have a choice either to mount and install the Windows 11 ISO image or use a bootable USB flash drive. To mount and install the Windows 11 ISO image, follow these steps:

  • You have to right-click on the ISO image file and click on Mount. Once you have mounted the image, it will appear as a new drive under This PC.
  • Now you have to open the ISO folder and run the setup.exe file > Click on Yes if prompted by UAC.
  • Run the Windows 11 installation screen > Select No thanks.
  • Also, make sure to accept the terms and conditions > Select Next.
  • Now, you have to select the Custom: Install Windows only (advanced) option.
  • From the Where do you want to install Windows screen, select your newly created disk volume for Win11 and click on Next.
  • Now, the Windows 11 OS will start installing on your PC.
  • The process might be quite lengthy, and your PC might restart a number of times during the process.

If you want to connect your bootable Window 11 USB flash drive and install the same then make sure to follow the steps below:

  • You have to start with either restarting your computer or power off your computer. During the boot process, quickly start pressing the BIOS / SETUP / BOOT key continuously until you see the boot from DVD/USB screen. [The keys will vary to the brand or model respectively but F2, F11, F12, Delete keys are most common]
  • Now that you’re on the boot from DVD/USB screen, you must select the Boot sequence on your computer to that inserted Windows 10 USB bootable drive as a first priority.
  • After you select the inserted Windows 10 drive as a primary boot device, restart your computer once again. [Do not remove Windows 10 drive or do not unplug the power cable]
  • Now a message will appear on your screen ‘Press any key to boot from CD or DVD‘, just press any key from the keyboard to continue.
  • Follow the on-screen instructions to move further.
  • Now you have to select the “Language, Time & currency format, and Keyboard or input method” from the next screen.
  • Click on the Next button > Click on Install now.
  • Accept the terms and conditions > Click on Next.
  • Click to select the Custom: Install Windows only (advanced) option.
  • Select the newly created volume for Win11 from the list > Click on Next.
  • Follow the on-screen instructions to proceed and the Windows 11 OS installation process will start.
  • Now, wait for the installation process to finish and then restart the PC.

Choose Default Windows OS at Startup

A boot option will appear on your screen, and now you have to select between Windows 10 and Windows 11 OS every time you boot your computer.  Also, you have to select the OS and your computer will start in that selected OS.

However, if you do not want it to appear on the screen, then make sure to follow the steps below to choose the default Windows OS whenever you boot your PC. To do so, follow the below-given steps:

  • You have to press the Windows + I keys to open Windows Settings.
  • Now, go to System > Head over to About.
  • In this step, you have to click on Advanced System Settings under the Related Settings option.
  • Now, from the Startup and Recovery section, click on Settings.
  • In this step, you have to click on the drop-down list for Default operating system > Select your preferred Windows OS version as a default.
  • Now, make sure to set the Time to display the list of operating systems and the Time to display recovery options when required.
  • Click on OK to save the changes and restart your PC.

Now, when the system restarts, you will be asked to choose your preferred Windows OS to boot. In case you do not choose any one of them, the system will automatically boot the default operating system as chosen by you.

If you still cannot see the dual-boot option during restart, make sure to disable the fast startup option on your PC.

Disable Fast Startup Feature on Windows Computer

  • First of all, you have to click on the Windows Start menu and type Control Panel in the Windows search bar.
  • Next, you have to click on Control Panel to open it. Now, you must head over to System and Security.
  • Select Power Options and click on Choose what the power buttons do.
  • Click on Change settings” that are currently unavailable.
  • Next, make sure to uncheck the Turn on fast startup checkbox.
  • Click on Save changes.

That’s all for now, feel free to drop your queries in the comment section.

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