Download the Oracle VM PV Drivers for Microsoft Windows from:
Oracle Support site: https://updates.oracle.com/Orion/PatchDetails/process_form?patch_num=23346086
Oracle Software Delivery Cloud: https://edelivery.oracle.com/linux
On the Oracle Software Delivery Cloud, the Oracle VM PV Drivers for Microsoft Windows are included with the Oracle VM media pack as a separate download. The Oracle VM PV Drivers for Microsoft Windows installer installs paravirtualized drivers for block (disk) and network devices.