A Step-by-Step Guide on Installing Windows After Ubuntu in Dual Boot

If you want to have both Windows and Ubuntu Linux installed on your computer and dual boot them, but started with Ubuntu first, this guide is for you. We’ll walk you through the process, so you don’t have to worry if you are not familiar with installing a dual-boot system with Windows.

What You Will Need

To successfully install Windows after Ubuntu in dual boot, you will need:

  • A Windows 10 bootable USB
  • A Live Ubuntu USB
  • A computer with UEFI boot that has only Linux installed
  • An external drive to back up important data.

Steps to Install Windows After Ubuntu in Dual Boot

Follow the steps provided below to successfully install Windows after Ubuntu Linux in dual boot:

  1. Back up all the important data on your computer to an external drive to prevent any data loss during installation.
  2. Create a Live Ubuntu USB and boot into it.
  3. Create a new partition in the unallocated space of your hard drive using the GParted partition editor app.
  4. Now, insert the Windows 10 bootable USB and reboot your computer.
  5. Select the language and keyboard settings and click on the “Install Now” button.
  6. Select the “Custom: Install Windows Only (Advanced)” option during installation.
  7. Select the newly created partition and click “Next” to proceed with the installation.
  8. Follow the on-screen instructions to complete the Windows installation process.
  9. Once the Windows installation is complete, you can boot into Ubuntu and recover the Grub bootloader to get back the option to choose between Ubuntu and Windows.


Can I use a single USB drive to carry out this tutorial?

Yes, you can create the live Linux USB first, create the partition for Windows using this Live Linux USB, and then use the same USB key as a bootable Windows USB.

Why do I need to create a live Ubuntu USB if I already have Linux properly installed?

You need a live Ubuntu USB because you cannot modify an already mounted partition on Linux. When you use Linux, your disk is mounted, and you will not be able to modify it and create a new partition on it.

How do I recover the Grub bootloader after installing Windows?

To recover the Grub bootloader, go to BIOS setup, move Ubuntu up the order from the boot sequence or boot order, save and exit. Then open a terminal and use the command “sudo update-grub”. Restart the system, and you should be greeted with the familiar grub home screen giving you the option to choose between starting into Ubuntu and Windows.

In Conclusion

By following these steps, you can successfully install Windows After Ubuntu Linux in Dual Boot. If you encounter any issues during the process, feel free to contact us, and we will be happy to help.

Editorial Staff
Editorial Staffhttps://www.bollyinside.com
The Bollyinside editorial staff is made up of tech experts with more than 10 years of experience Led by Sumit Chauhan. We started in 2014 and now Bollyinside is a leading tech resource, offering everything from product reviews and tech guides to marketing tips. Think of us as your go-to tech encyclopedia!


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