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How to Install Kubuntu on VirtualBox?

Last Updated : 05 Oct, 2021
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Kubuntu is the flavor of the Ubuntu operating system which uses the KDE Plasma Desktop instead of the GNOME desktop environment. Kubuntu 21.04 features the beautiful KDE Plasma. It comes with updates to many core packages, including KDE Frameworks 5.68, Plasma 5.18 LTS KDE Applications 19.12.3, and a new 5.4-based kernel.


  • Provides complete and professional office suite.
  • One can chat from the desktop with your friends.
  • Browse documents and files easily.
  • Is more responsive.
  • It generally “feels” faster than Ubuntu.


  • Processor: 1 GHz x86.
  • RAM memory: 1 GB.
  • Minimum10 GB of HDD for a full installation with swap included.
  • VGA graphics card and a monitor which is capable of supporting a resolution of 1024 × 768.
  • CD-ROM or network card reader.
  • Kubuntu iso file can be downloaded from here.
  • Virtualbox which can be downloaded from here.
  • Sound card.
  • Internet connection.


Create New virtual machine

Step 1: Open your Virtual Box, press on the new button to create the new virtual machine.

Creating new virtual machine

New virtual machine Name & Version:

Step 2: Enter the name which you want for your virtual machine and select it to Ubuntu-based 64bit Linux architecture.

Giving New virtual machine Name & Version

Memory Allocation:

Step 3: Allocate the size of RAM you want to give to the Virtual Machine of Kubuntu.  

Allocating memory

Virtual Hard Disk configuration:

Step 4: Select the option saying create a virtual hard disk now and then click on the create button.

Configuring virtual hard disk

Step 5: Select the Hard Disk File type as VDI (Virtual Hard Disk).

Configuring virtual hard disk

Step 6: Select the type of storage on Physical Hard Disk Storage.

Configuring virtual hard disk

Step 7: Now, one needs to select the size of the virtual hard disk and the location where one wants to save his machine and its files.

Configuring virtual hard disk

Adding iso file:

Step 8: Click on the settings icon after selecting Kubuntu machine and select your downloaded Kubuntu ISO file. Then click on the start button.

Adding ISO file

Step 9: When the processing is completed then click on the Virtual machine name on the left panel and hit on the start button.  Select the option saying Kubuntu and hit enter.

Starting with Kubuntu

Installation setup:

Step 10: Click on Install Kubuntu.

Installation setup

Keyboard Layout selection:

Step 11: The next step is to select a keyboard layout, select your preferred one.

Selecting keyboard layout

Select No download:

Step 12: Click on continue if you want to download updates while installing Kubuntu and if not then uncheck its box.

Select no download

Select use entire disk:

Step 13: Select use entire disk option and click on install now.

Select use enter disk

Step 14: Hit on continue.

Click Continue

Select your Location:

Step 15: Select your location, Time zone, and press continue.

Selecting location

Account details:

The second last step is to configure your account by entering the name and computer’s name. Pick the desired username you want and enter a strong password which will be required whenever you or anybody else tries to access Kubuntu. Then click on continue.

Give account details

All the main steps are done and now all you need to wait for the installation process to complete.

wait for finishing installation

Installation finished:

The last step is to reboot your Kubuntu by clicking on the restart now button.

Finished installation


Type in your credentials to access Kubuntu.

Acess Kubuntu by giving your credentials

On the bottom, we can see the application launcher icon, system settings icon, browser icon, etc, and various applications, games, office, graphics can be accessed from this application launcher icon.

kubuntu installation

Open your terminal by right-clicking and selecting terminal. Then enter these few basic commands shown below:

cd Desktop
cd /

kubuntu installation

Now you can go ahead and explore yourself what Kubuntu Linux has to offer.

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