how to install Oracle VirtualBox 6 in Windows 10

Step 1: To  Download VirtualBox use the following link  "https://www.virtualbox.org/wiki/Downloads"

Step 2: Click on the link "Windows hosts" to download the Virtual box for windows
         

                          

                                                                                 

Step 3: Welcome Wizard

             

Step 4: Custom Setup

Step 5: Select the required features to install

Step 6: Click on "Yes" to continue the installation 

Step 7: Click on "Install"  and again  select "Yes" and press "Enter" to continue the installation process

Step 8: Click on "Finish" to launch the VirtualBox instance 

                               

Successfully completed the Virtual box installation to Windows by seeing the below UI 

Follow the below link to install the Ubuntu 18.04 LTS version in Oracle VirtualBox

Ubuntu Installation steps in Oracle VirtualBox