and when you installed the virtualbox arm then you will only be able to install iso of operating systems made for arm cpus as virtual machines are not emulators so intel x86 windows images or linxu images will not work.
and when you installed the virtualbox arm then you will only be able to install iso of operating systems made for arm cpus as virtual machines are not emulators so intel x86 windows images or linxu images will not work.