Now, run CMD as administrator. Copy and paste each code to the cmd. If you have downloaded the VirtualBox version 5 so, you need the code for version 5. If you are using version 4 of VirtualBox, so you need the code for version 4.
Now, run CMD as administrator. Copy and paste each code to the cmd. If you have downloaded the VirtualBox version 5 so, you need the code for version 5. If you are using version 4 of VirtualBox, so you need the code for version 4.