qemu-img convert -f raw -O qcow2 winxp-raw.img winxp.qcow2
To start, you need to create a blank virtual hard drive. Using qemu-img , you can define the format and maximum size. For Windows XP, 10GB to 20GB is usually more than enough for the OS and a few applications. qemu-img create -f qcow2 winxp.qcow2 20G Use code with caution. Copied to clipboard 2. Basic Installation Command
: After the first reboot, the GUI installer will ask for your Region, Product Key, and Computer Name 5. Post-Installation Optimization Convert Formats
Replace -net nic,model=rtl8139 with drivers for significantly faster network speeds. You will need to download the VirtIO ISO and mount it to install the drivers during the XP setup phase. 3. Using Snapshots i--- Windows Xp Qcow2
The conversion process begins by installing Windows onto a RAW disk image. This method provides a clean, uncompressed disk layout that you'll later convert to Qcow2.
Follow the standard blue-screen setup prompts inside the QEMU window: Press to set up Windows XP. Press F8 to accept the licensing agreement.
To install Windows XP, we will launch QEMU via the command line. We will emulate an older Intel PC chipset ( pc-i440fx ) and an IDE controller, because Windows XP cannot boot from a VirtIO disk during the initial setup without a floppy driver disk. qemu-img convert -f raw -O qcow2 winxp-raw
Yes. Projects like mkst/winxp provide Docker recipes that automate the creation of a Windows XP Qcow2 image and run it within a container. The Docker build process creates the Qcow2 file and then launches a QEMU instance inside the container, exposing VNC for remote access . This is particularly useful for CI/CD pipelines that require legacy Windows testing environments.
: You can save the exact state of your Windows XP environment and revert back to it later, which is ideal for testing old software. Copy-On-Write
: Before converting a physical or VirtualBox image, you should apply the MergeIDE registry fix to prevent Blue Screen of Death (BSOD) errors during the first boot on QEMU. 4. Performance Tips Booting Virtual XP Mode image in KVM qemu-img create -f qcow2 winxp
The first step in any virtualization project is preparing the "hardware." For Windows XP, a 10GB to 20GB disk is usually more than enough for the OS and essential applications. To create the disk image, use the qemu-img utility: qemu-img create -f qcow2 winxp.qcow2 20G Use code with caution.
But for a few minutes, the ghost in the disk was alive. And for a moment, so were we.
There are several reasons why QCOW2 is an excellent choice for running Windows XP in a VM:
And then, the desktop appears.
Qcow2 images are sparse, but they when you delete files inside the guest. Over time, especially after defragmentation, your .qcow2 file can grow far larger than the actual data it contains .