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Learn how to optimize Windows 8.1 performance in a virtual environment with the Proxmox Best Practices guide
Name your VM, check the box for , and click Finish. Method B: Using CLI (virsh/virt-install)
Click and navigate to the mounted VirtIO CD-ROM drive. Expand the folders: viostor -> w8.1 -> amd64 . windows 81 qcow2 install
| Feature | QCOW2 (QEMU Copy-On-Write 2) | RAW | VMDK (VMware) | | :--- | :--- | :--- | :--- | | | Native QEMU/KVM format with advanced features | Plain, byte-for-byte binary image with no metadata | VMware's native disk format | | Space Efficiency | Excellent. It is thin-provisioned (sparse), meaning it only occupies space on your host as data is written to it. | Poor. It is typically fully allocated , immediately occupying the maximum size you set. | Good. Supports thin provisioning, but subtypes vary. | | Key Features | Extensive. Supports internal snapshots, backing file chains, optional zlib compression, and AES encryption. | None. It has no built-in support for snapshots, compression, or metadata. | Moderate. Best compatibility and snapshot features when used in a VMware stack. | | Performance | Good. May have a slight CPU/IO overhead compared to RAW due to its advanced features. | Excellent. Offers the best performance with the lowest overhead, near physical disk speeds. | Good. Performance is highly variable and depends on the specific file subtype. | | Best For | KVM/Proxmox environments where features like snapshots and thin provisioning are key. | Performance-critical tasks like high-load database servers where raw speed is the only priority. | VMware-specific virtual environments or when migrating VMs to/from VMware products. |
This method uses the command line for maximum control and is common on standard Linux distributions. Learn how to optimize Windows 8
qemu-img convert -f vmdk -O qcow2 windows81.vmdk windows81.qcow2 Use code with caution.
Windows 8.1 QCOW2 Install Focus: Virtualization, QEMU/KVM, Storage Optimization, and Legacy OS Preservation | Feature | QCOW2 (QEMU Copy-On-Write 2) |
Virtualization, System Administration, QEMU/KVM Environment: Linux Host, Windows 8.1 Guest
Before beginning the installation, ensure your host system has the necessary binaries and configuration files. QEMU and KVM installed on a Linux host.
Once the installation finishes, Windows 8.1 will boot into the desktop. However, you will notice that the internet is disconnected and the screen resolution is limited.