How to Install Ubuntu in virtual box On Windows 10

A: Follow this guide step by step.
Note!!! At Step 11: Choose The Type Of Virtual Machine, if you can not find Ubuntu(64-bit) in the Version dropdown menu go to B)

	https://www.lifewire.com/install-ubuntu-linux-windows-10-steps-2202108

B: Why is VirtualBox only showing 32 bit guest versions on my 64 bit host OS?
http://www.fixedbyvonnie.com/2014/11/virtualbox-showing-32-bit-guest-versions-64-bit-host-os/#.WcuVj2iCxaQ

Note!!! if there isn't any HyperV option in "turn windows features on or off" or if it is already diabled and you still can't
see (Ubuntu64-bit) option. then probably the virtualization is turned off in your BIOS. Turn it on