My First Virtual Machine

      Download the latest version of VirtualBox from the Virtual Box website               according to the version of your operating system Windows :

   After completion of Installation process, the Virtual Box Window gets opened.

You can increase the memory size or leave it as the default size

Let the storage on physical hard disk be Dynamically allocated

 ISO image for OS boot up

Click on Storage.

Under the Storage section, select the disc (Empty) item.
 Under the “Attributes” section, 

click the disc icon and select the Choose a disk file button

Click on Install Ubuntu

 Oracle Guest additions for screen resize and better UI experience  You can resize the screen by the following steps :

After authentication ,you need to restart the vm and a larger screen display is available: