How to Install Ubuntu on VirtualBox

This How.com.vn teaches you how to install Ubuntu Linux on a computer by using VirtualBox. VirtualBox is a program which allows you to install an operating system without changing your computer's main operating system.

Part 1

Part 1 of 4:

Downloading Ubuntu

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Go to https://www.ubuntu.com/download/desktop in your computer's web browser. You can download the Ubuntu disk image (also known as an ISO file) here.
You'll find it near the bottom of the page.
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It's a green button to the right of your selected version of Ubuntu. Doing so takes you to the support page.
This link is in the bottom-left corner of the page.
The Ubuntu ISO should begin downloading immediately, but if it doesn't, you can click the download now link at the top of the page. While the Ubuntu ISO downloads, you'll have plenty of time to set up your virtual machine in VirtualBox.

Part 2

Part 2 of 4:

Creating a Virtual Machine

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Install VirtualBox if you haven't yet done so. If you don't already have VirtualBox installed on your Windows or Mac computer, you'll need to install it before proceeding.
Double-click (or click once on a Mac) the VirtualBox app icon.
It's a blue badge in the upper-left corner of the VirtualBox window. Doing so opens a pop-up menu.
Type whatever you want to name your virtual machine (e.g., Ubuntu) into the "Name" text field that's near the top of the pop-up menu.
Click the "Type" drop-down box, then click Linux in the resulting drop-down menu.
Ubuntu should be selected by default after you set the "Type" value to Linux, but if it isn't, click the "Version" drop-down box and click Ubuntu (64-bit) before proceeding.
It's at the bottom of the menu.
8
Select an amount of RAM to use. Click and drag the slider left or right to decrease or increase the amount of RAM that VirtualBox will have available for your Ubuntu virtual machine.
- The ideal amount of RAM will automatically be selected when you get to this page.
- Make sure not to increase the RAM into the red section of the slider; try to keep the slider in the green.
It's at the bottom of the menu.
10
Create your virtual machine's virtual hard drive. The virtual hard drive is a section of your computer's hard drive space which will be used to store your virtual machine's files and programs:
- Click Create
- Click Next
- Click Next
- Select an amount of space to use.
- Click Create
Once the Ubuntu ISO finishes downloading, you can proceed with installing it to VirtualBox.

Part 3

Part 3 of 4:

Installing Ubuntu

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It's on the left side of the VirtualBox window. Doing so will open a menu.
This icon is in the lower-right side of the menu. A new window in which you can select the Ubuntu ISO will open.
Go to the folder into which the Ubuntu ISO file downloaded (e.g., Desktop), then click the ISO file to select it.
It's in the bottom-right corner of the window. Doing so opens the Ubuntu ISO file in VirtualBox.
This option is at the bottom of the menu. Ubuntu will begin running.
It's on the right side of the VirtualBox window.
This will ensure that everything Ubuntu needs to run will be installed.
It's in the bottom-right corner of the page.
This may sound scary, but don't worry—nothing on your computer will be erased.
It's in the bottom-right corner of the page.
This confirms that you understand that the virtual machine's virtual drive will be "erased" (there's nothing on it anyway) and begins the Ubuntu installation process.

Part 4

Part 4 of 4:

Setting up Ubuntu

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Click a section that correlates with your position on the map.
It's in the bottom-right corner of the page.
Click the person-shaped icon in the upper-right side of the window, then click the "Screen Keyboard" switch to place a keyboard on the screen. Since Ubuntu will need to install drivers to work with your keyboard, you won't be able to use your keyboard until it's fully installed.
4
Enter your name. Do so in the "Your name" text box at the top of the window.
- Entering a name will also create a computer name for your virtual machine, but you can create your own computer name as well by typing it into the "Your computer's name" box.
In the "Pick a username" text box, type in the username that you want to use.
Type your preferred password into the "Choose a password" text box, then re-type it into the "Confirm your password" text box.
7
Click Continue. It's at the bottom of the page.
- You can first select login options below the "Confirm your password" text field if need be.
8
Wait for Ubuntu to finish installing. This process may take anywhere from a couple of minutes to half an hour depending on the speed of your computer.
- You won't need to do anything during the installation process.
Once you see the Restart Now button, do the following: click the Exit button in the upper-right corner of the window (Windows) or the upper-left corner of the window (Mac), check the "Power off the machine" box, click OK, and then double-click the virtual machine's name.
Once your Ubuntu virtual machine is back on, select your name, then enter your password and click Sign In. Ubuntu will load your desktop as though you were using a separate computer.

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Question
Will choosing the erase disk option while installing Ubuntu remove my original Windows operating system?
Community Answer
When you're asked this question inside the VirtualBox, it's talking about the virtual disk, not your physical disk. And since the virtual disk is "brand new", there is nothing there that you should worry about. There is no risk to your Windows system.
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Question
If I install Ubuntu from VirtualBox, will it erase all content on my C drive?
Community Answer
I was worried about this too. Ubuntu will format/erase only the virtual disk space you allocated for the Virtual Machine, not your whole C: drive.
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How do I get the 64-bit option on Virtualbox? I only have the 32-bit option.
Community Answer
To use 64-bit guests on VirtualBox, you need to have a CPU that supports Virtualization. Then, make sure that feature is turned on in the BIOS.
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Tips

You can install programs and apps on your virtual machine, though you'll need to make sure that doing so doesn't cause your virtual machine to exceed the amount of space in its virtual hard drive.
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Warnings

Make sure your hard disk has enough space to create the virtual hard disk. For example, if VirtualBox suggests you need an 8 GB virtual hard disk, make sure you have more than 8 GB of free space on your computer.
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It's normal for VirtualBox operating systems to run sluggishly since you're essentially operating two different systems on one computer's worth of hardware.
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