始终下载最新稳定版： https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/stable-virtio/virtio-win.iso
历史版本（相对速度较快的） https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/archive-virtio/
来源：https://pve.proxmox.com/wiki/Windows_VirtIO_Drivers#Using_the_ISO