Download the Oracle VM PV Drivers for Microsoft Windows from:
My Oracle Support site: http://support.oracle.com/
NoteDownload Windows PV Drivers 3.4.4 from My Oracle Support; search patch id 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.