If you prefer an automated setup, download the virtio-win-guest-tools.exe, which installs the drivers, QEMU Guest Agent, and Spice Agent simultaneously. How to Install During Windows Setup
The primary source for these drivers is the , which provides officially signed binaries from Red Hat. download virtio drivers windows server 2012 r2
For Windows Server 2012 R2, some administrators prefer the highly stable 0.1.189 release if they encounter signature issues with newer versions. Download from the Full Archive. If you prefer an automated setup, download the
To optimize the performance of Windows Server 2012 R2 on KVM-based hypervisors like Proxmox, oVirt, or Red Hat Enterprise Virtualization, you must install . These paravirtualized drivers allow the guest operating system to communicate directly with the host hardware, significantly reducing overhead for disk I/O and network operations. Where to Download VirtIO Drivers Download from the Full Archive
For most users, the standard virtio-win.iso contains drivers for all supported Windows versions.
If you have already installed Windows using IDE or E1000 emulation and want to switch to VirtIO: Windows 2022 guest best practices - Proxmox VE
If you are installing Windows Server 2012 R2 from scratch and the installer cannot find your hard drive, it is because you chose a or VirtIO Block controller.