How to install Ubuntu on virtual box

For this Intallation we assume that you have:
Window operating system
Virtual box software (Download from here https://www.virtualbox.org/wiki/Downloads)
IOS image of Ubuntu (Download from here http://www.ubuntu.com/download/desktop)

setup file will launch set up wizard. On welcome window click on next

Select the dentition folder where you want to install virtual box software. Default location is C:/virtualbox. You can change it if needed.

Select the features which you want and click on next.

Remove check mark if you do not want to create short cut on desktop otherwise click on next

Wizard will reset the network interface so if you are download / uploading / have running task on internet or network, finish that first and invoke this wizard again. If you do not have any associated task with network click on yes

virtual box setup network interface warning

Click on install

Wait for few minutes

In few minutes wizard would finish the installation process. Click on finish

How to create virtual machine

We have installed the virtual box software. Now we would create a virtual machine. Click on new button

Select Ubuntu from type and version drop down. And fill the name of virtual machine in name field

Set the RAM size for virtual machine. If you have 1GB RAM and do not set this more than 512 MB, For 2GB physical RAM do not exceed this value more than 1 GB.

Select Create a virtual hard disk now and click on next

keep default hard disk file type and click on next

select fixed size and click on next

Select the location where you want to store the virtual hard disk. Make sure selected dentition have equivalent or more free space than the size of virtual hard disk. For example if you have set 8 GB size of virtual hard disk than you must have at least 8 GB free space in partition where you want to store this hard disk. Click on create

Wait till it creates new virtual hard disk in selected folder.

In few minutes wizard would create new virtual machine and redirect back you to main software screen. Click on Ubuntu (Or whatever name you have given to virtual machine) from left panel.

We do not have any operating system installed in virtual machine so it would prompt us to install OS. Click on folder icon to browse

Select IOS image of Ubuntu

click on start to begun installation process

If its your first virtual machine wizard will popup information message for mouse pointer integration. Check mark on Do not show this message again and click on ok.