P. S.
In fact, on Win 10 can also be installed older versions of VirtualBox and then install Fedora, I was a sucker.
Now I have installed the system to compile the kernel has hundreds of times, here is probably the step or record it.
Mounting VirtualBox # # Version: 5.2 . 32 r132073 (QT5. 6.2 ) # mounted Fedora # Version: Fedora - . 9 -i386- DVD.iso # Set the host and paste the copied drag Fedora bidirectional # configure the environment variables Fedora # installing after the system, the path / sbin is not in the search path # so as lsmod , insmod these kernel-related commands can not be found # in / etc / Profile add the following to Export the pATH = $ the pATH: / sbin # valid configuration Source / etc / Profile # install Kernel - devel.i686 yum install kernel- devel.i686 # Installation enhancement tools SH / Media / VBox_GAs_5. 2.32 / VBoxLinuxAdditions.run # Configure a shared folder