How to install Linux Ubuntu on Windows 10 using VirtualBox

Ubuntu Install Summary

First it is recommend that at least, your pc needs more than 15 GB hard disk area(= Ubuntu iso 2 GB + Ubuntu install 12 GB)and more than 2GB memories(= 1GB for Ubuntu  + 1GB for your Windows) to install Ubuntu on Windows 10 using VirtualBox.

Second, download Ubuntu Client iso file from official Ubuntu website. Third, download and Install VirtualBox from official VirtualBox website. And make virtual area in your computer using VirtualBox. Last, on virtual area, insert Ubuntu iso file and start to install Ubuntu.

Installing Laptop SPEC

  • CPU : i5-6300HQ
  • RAM : 8GB
  • SSD : 120GB
  • bit : 64 bit


Download Ubuntu iso file

Go to Ubuntu official website download page and click the Ubuntu Desktop.

Don’t click Ubuntu Server and just click Ubuntu Desktop.


Try to choose latest version including LTS word. LTS means long-term support which means five years.


Download VirtualBox

Download VirutalBox from official website.

Click Windows hosts in platform packages.


Install VirtualBox

Install VirtualBox. It is easy.


You could set install location what you want with Browse. I just click Next.


These are not important options. Click Next.


Click Yes.


Click Install.


It takes few minutes.


Virtualbox has been installed.

Make virtual area using VirtualBox

Before install Ubuntu, we need to make virtual area in your computer using VirtualBox.

Start VirtualBox program and click New.


Name : Put folder name what you want. I just write down Ubuntu 18.042 which is my Ubuntu version. But try to name it including word, Ubuntu.

Type and Version would be chosen automatically, if you write word Ubuntu in your folder name. If your CPU is 32-bit, Version would be checked Ubuntu (32-bit), automatically.


Select Next.

Before start to set RAM and Hard Disk, please do not try to complete perfect setting number at first time. It is more important to just install Ubuntu one time incompletely than to try to adjust exact PC settings.

This part is sizing memory area. If your RAM is just 2GB, then choose 1024 MB. If your RAM is more than 4GB, then choose more than 2048 GB. It is not important setting. Because, your can change anytime memory settings after finishing installing VirtualBox and Ubuntu.

If you don’t know exact Ram number, just click Next and don’t touch any settings.


It says that Virtual Area needs at least 10GB Hard Disk Area. Check Create a virtual hard disk now and click Create.


Select VDI (VirtualBox Disk Image) and click Next.


Check Dynamically allocated and click Next.


Write down at least 60.00GB not considering your remained size of Hard Disk. Click Create.

The size setting is not real area of your PC. It just limitation of maximum storage size. Don’t worry about your real small size of Hard Disk.


Let’s check it is true. Before making virtual area folder, my remained storage of Local Disk(C:) was 74.7GB of 110 GB.

But after setting virtual box with 60.00 GB, there is no differences in size of hard disk.

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Insert Ubuntu iso file on VirtualBox

Before installing Ubuntu, we need to insert Ubuntu iso file into VirtualBox.

Select virtual area folder which are named by you and click Settings.


Select Storage and empty. Click circle shape icon which looks like CD and select Choose Virtual Optical disk File.


Select Ubuntu iso file which you downloaded and click Open. In normal case, it would be located in Downloads folder in Windows 10. In my case, I just made another folder in Local Disk(C:), which named Ubuntu Install.


Just check again Ubuntu iso file and click OK.


It has been over being ready to install Ubuntu on VirtualBox.

Installing Ubuntu on VirtualBox

Select virtual machine folder which you made and click Start.


This would take long time. Because, the operating principle of virtual machine is based on borrowing resource from your computer’s memory, CPU and Hard Disk.

If message which says that you have the Auto capture keyboard option turned on. This will cause the Virtual Machine to shows, just click X icon.


After waiting for few minutes, you would see this screen. Select your language and click Install Ubuntu.


Choose your language for keyboard layout and click Continue.


Check Install third-part software for graphics and Wi-Fi hardware and additional media formats and click Continue.


Select Erase disk and install Ubuntu and click Install Now. This option doesn’t delete your real hard disk. The object of erasing is the area of virtual machine what you made.

Don’t worry that it would be erase your computer file. All the cases happen only in virtual machine, not in your real PC.


Click Continue.


Select your city for time zone. You could choose city what you want to choose on the map. Then click Continue.

The displayed date and time information on the center-top of Ubuntu layout depends on city what you choose in this process.


Your name : Type your name what you want.

Username : Write your username. The username is account name of your Ubuntu like Windows root name.

Password : Just type it twice.

Log in automatically : If you are installing Ubuntu on your personal computer, it is good to check this option. The environment on installing is on public area, do not check this option and just check below one which says that Require my password to log in.

After all settings, click Continue.


Finally, the installing process of Ubuntu is started. It takes about 10 ~ 15 minutes. It depends on your computer resources. Generally, it takes long time.


After finishing installing Ubuntu, this message box would show. Click Restart Now.


Just press Enter. This message which says that Please remove the installation medium, then press ENTER is to check to prevent reinstall Ubuntu.


But in VirtualBox after installing Ubuntu, the Ubuntu iso image file automatically is removed form VirtualBox. Thus, we don’t have to worry about that.

We could check again that the Ubuntu iso file has been removed automatically.


Finally, Ubuntu installation was finished.


Check storage of hard disk after installing Ubuntu

Storage size before installing Ubuntu : 74.7 GB

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Storage size after installing Ubuntu : 63.4 GB

Difference : 11.3 GB ( 74.7 GB – 63.4 GB )


The size of Ubuntu would be in over 11 GB. But the size of Ubuntu iso file is almost 2 GB.


Thus you need your hard disk storage at least more than 14 GB.(Ubuntu iso 2 GB + Ubuntu installation 12 GB) But if you want to install other program or applications on Ubuntu, you need to size of hard disk more than 20 ~ 30 GB.