Windows 81 Qcow2 Install Jun 2026

: Start the virtual machine and boot from the Windows 8.1 ISO.

First, make sure your system supports virtualization and that it's enabled in the BIOS. Also, ensure KVM is installed:

The challenge: Windows setup cannot see the QCOW2 disk if it expects IDE/SATA but we use virtio-block. The workaround:

When the Windows 8.1 installer boots, it will prompt you to select an installation destination. Due to the high-performance virtio bus selection, Follow these steps to expose your QCOW2 disk: Click Custom: Install Windows only (advanced) .

Set your VM to at least 4GB RAM and 2 CPU cores for a smooth experience. You can find detailed workstation setup guides on EVE-NG to help with resource planning. 2. Creating the QCOW2 Image windows 81 qcow2 install

, browse the second CD-ROM (VirtIO ISO), and select the appropriate folder (often for the disk and for the network). Partitioning : Once the driver is loaded, your

Expand the attached VirtIO CD-ROM drive (usually labeled virtio-win ).

Execute the following comprehensive creation command. Make sure to replace the paths with the exact locations of your downloaded ISO files and the newly created QCOW2 disk:

Open the Start Menu, type , and launch the utility. Select your primary C: drive and click Optimize . 2. Disable Hibernation to Reclaim Space : Start the virtual machine and boot from the Windows 8

Download the latest Fedora VirtIO drivers for Windows ⁠1.2.2 .

Look for the folder: viostor\w8.1\amd64 (for 64-bit) or x86 (for 32-bit).

option and navigate to the VirtIO CD-ROM to find the storage drivers. Super User 4. Post-Install Optimization : Use a modern CPU model like rather than the default

Browse to the second CD-ROM drive (VirtIO Drivers) and navigate to amd64\w8.1 (or w8 if 8.1 is unavailable). Select the driver. The workaround: When the Windows 8

Running Windows 8.1 inside a QCOW2 container managed by KVM yields a highly optimized virtualization environment. By utilizing VirtIO drivers and thin provisioning, you minimize host resource consumption while maintaining native execution speeds. If you hit any issues during deployment, let me know: What are showing up in your terminal? Which Linux distribution is hosting your environment? What specific hardware components are failing to load?

Run the following command in the Proxmox shell to attach the disk:

By following these steps, you will have a highly optimized Windows 8.1 QCOW2 image running on KVM. The use of VirtIO drivers ensures near-native disk and network performance, while the QCOW2 format allows for easy portability and snapshots 1.2.2.

: When starting the VM, press a key to boot from DVD. At disk selection, no disk appears. Click Load Driver , browse to the VirtIO CDROM → viostor\w8.1\amd64 . The VirtIO disk appears. Install.

Boot without the Windows ISO:

Once the automated reboots finish and you complete the initial account setup screens, you will land on the Windows 8.1 desktop interface. At this stage, your network and advanced display adapters will still be unconfigured. Installing Remaining VirtIO System Drivers Press Win + X and select .