How to install windows 10 from Ubuntu 20.04 | dual boot | UEFI

Hello reader, in this article, I will show you how to install windows 10 pro on dual boot after installing ubuntu 2004 on UEFI mode and how to update the grub menu in the bios

 

Introduction

let's start in my case ubuntu 2004 is installed on UEFI mode so I will install windows in the same mode first

 

Create partition- GParted

Step1: we will free up some space from our hard disk for installing windows 10. we can shrink the partition containing data to free up space for windows but you cannot resize the partition containing ubuntu system files while it's in use you'll need a ubuntu live cd or g-parted live cd drive to edit your partitions in this article we use g-parted tool to shrink a data partition.

Step2: Open the terminal and Install GParted, enter the below command

sudo apt-install g-parted

How to install windows 10 from Ubuntu 20.04 | dual boot | UEFI

Step3: Now open Gparted, in terminal type GParted and that will open.

Step4: if a partition is mounted unmount it

How to install windows 10 from Ubuntu 20.04 | dual boot | UEFI

Step5: to shrink a partition right-click it and select resize move

How to install windows 10 from Ubuntu 20.04 | dual boot | UEFI

Step6: shrink the size of the windows partition and apply that

How to install windows 10 from Ubuntu 20.04 | dual boot | UEFI

Step7: once you've to Shrink a partition you could use the unallocated space to create a new NTFS partition or leave it unallocated in windows installation, we will format it.

How to install windows 10 from Ubuntu 20.04 | dual boot | UEFI

Step8: click close after completing operations, after that, I will mount my 270.5GiB one.

 

How to install windows 10 from Ubuntu 20.04 | dual boot | UEFI

Installing Windows 10 pro

Step9: Now restart the computer and insert a bootable DVD or USB disk of windows 10. I have a dell laptop to launch the boot menu I select f12 and check the bottom of your computer's boot menu

the boot menu key of your computer below is a list of common boot keys associated with a brand

The list of common boot keys associated with a brand:

Asus

: F8 or Esc

Acer

: F12, F9, or Esc

Compaq

: F9 or Esc

Dell

: F12

eMachines

: F12

Fujitsu

: F12

HP

: F9 or Esc

Lenovo

: F8, F10 or F12

Samsung

: F2, F12 or Esc

Toshiba

: F12

Step10: select the bootable USB for windows 10 in UEFI mode now that windows 10 install has launched select the language for installation in next

 

How to install windows 10 from Ubuntu 20.04 | dual boot | UEFI

Step11: Click on install now

Step12: if you have a product key put it else click on, I don't have a product key

Step13: select a product version you want to install we use the pro version in this article

How to install windows 10 from Ubuntu 20.04 | dual boot | UEFI

Step14: check to accept the license terms

Step15: select a custom installation

Step16: Now we can select the partition are created earlier if not formatted click on new then click next

How to install windows 10 from Ubuntu 20.04 | dual boot | UEFI

Step17: the installation process will start if your system is connected to the internet windows may install updates as well as wait till the installation process is complete the computer may automatically restart a few times during the installation process keep the flash drive inserted in the computer do not press any key during a system restart doing so may boot the system from flash drive again and fresh installation will start

How to install windows 10 from Ubuntu 20.04 | dual boot | UEFI

Setp18: after installation, the setup will continue to start services now select your region.

How to install windows 10 from Ubuntu 20.04 | dual boot | UEFI

Step19: Select the keyboard layout.

Step20: you have to choose how would you like to set up windows 10 for personal use or organization use. I choose the setup for an organization.

How to install windows 10 from Ubuntu 20.04 | dual boot | UEFI

Step21: if you have a Microsoft account id you can provide it else proceed with the offline account and click on domain join instead.

How to install windows 10 from Ubuntu 20.04 | dual boot | UEFI

Step22: type your name and click next to continue

Step23: Create a strong password.

Step24: followed by secret questions

Step25: now continue with configure services

How to install windows 10 from Ubuntu 20.04 | dual boot | UEFI

Step26: now your windows 10 operating system is ready for use

 

Update Grub

Step27: restart windows 10 you will notice that Windows 10 has loaded without showing any option to switch between Ubuntu and windows this happens because the windows bootloader has booted as the first option on UEFI mode in the bios.

Step28: let's repair the grub boot loader and restore the ubuntu operating system on UEFI mode you can select Ubuntu from the boot menu boot on ubuntu

How to install windows 10 from Ubuntu 20.04 | dual boot | UEFI

Step29: Open the terminal type sudo update-grub 2 wait for the process to complete

How to install windows 10 from Ubuntu 20.04 | dual boot | UEFI

Step30: you can see the windows bootloader is added in grub menu

How to install windows 10 from Ubuntu 20.04 | dual boot | UEFI

Step31: reboot the computer

 

Update Bios

Step32: finally verify the order of boot on UEFI mode and make ubuntu the first one on bios

Step33: go to enter setup for Bios

How to install windows 10 from Ubuntu 20.04 | dual boot | UEFI

Step34: on boot/ boot option #2, select windows boot manager

How to install windows 10 from Ubuntu 20.04 | dual boot | UEFI

Step35: save and restart.

Step36: we can see that the windows boot manager does appear in the grub menu and we can choose between ubuntu and windows operating system

How to install windows 10 from Ubuntu 20.04 | dual boot | UEFI

thanks for reading, let me know what you think of this article in the comment. I Hope You Like my post on Install Windows 10 After Ubuntu 20.04 Dual Boot in the UEFI. If it is Helpful Please don't forget to share my post with your friends.

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