So some rocks are radioactive because they have radioisotopes in their nuclei. Also they may have radon gas trapped in their crystals if they are igneous rock. They could also be radioactive due to the fact that the atom of the rock is unstable.
Connecting USB Devices Manually. Choose VM > Removable Devices to connect specific USB devices to your virtual machine. You can connect up to two USB devices at a time. If the physical USB devices are connected to the host computer through a hub, the virtual machine sees only the USB devices, not the hub.
What you need is the Windows 10 ISO file, a tool to create a bootable USB drive like Rufus and at least a 4 GB USB drive for 32 bit version or a 8 GB USB drive for the 64 bit version. Another option is to install Windows 10 (Technical Preview) on a virtual machine like with VirtualBox.