Invoke-Webrequest -Uri "https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/stable-virtio/virtio-win.iso" -OutFile "C:\tools\virtio-win.iso"

$iso=Mount-DiskImage C:\tools\virtio-win.iso
$driveletter=(Get-Volume -DiskImage $iso).DriveLetter

msiexec /qb /x $driveletter":\virtio-win-gt-x64.msi"