If you plan to use this for or running specific legacy software
Using QCOW2 instead of RAW allows for features like snapshots and sparse storage, meaning the file only takes up as much space as the data actually inside it. The "Proper" Configuration
: One of the most complex yet rewarding upgrades is enabling 3D acceleration. The standard QEMU has no 3D acceleration support for Windows 98 guests. However, patched builds like QEMU-3dfx exist. This patched QEMU can emulate a 3dfx Voodoo graphics card, allowing you to run Glide-based 3D games like Unreal Tournament and Quake inside your VM with near-original performance.
This article covers why you need an updated QCOW2 image, how to find them, and how to get the most out of them in 2026. Why Use an Updated Windows 98 QCOW2 Image?
Emulating a ne2k_pci or rtl8139 network card allows the VM to access the modern internet, though most websites will fail to load due to outdated security protocols. Common Pitfalls windows 98 qcow2 updated
virsh snapshot-create-as win98 "clean" --disk-only --atomic
Converting a Windows 98 virtual machine to the qcow2 format opens up several advantages. It allows for better compression and encryption, dynamic resizing, and support for advanced features like snapshots. These features make managing and running a Windows 98 VM much easier and more flexible.
Select Pentium 3 or 486 types. Modern host passthrough CPUs crash the kernel.
qemu-system-i386 -m 512 -cpu pentium3 -smp 1 \ -drive file=win98_updated.qcow2,format=qcow2,media=disk \ -vga std -net nic,model=pcnet -net user \ -soundhw sb16 Use code with caution. If you plan to use this for or
Whether you are a gamer trying to get MechWarrior 3 to run without crackling sound, or a developer testing legacy IE5 compatibility, the modern community-driven updates have transformed Windows 98 from abandonware into a perfectly preserved digital artifact.
You can create a base, fully patched Windows 98 QCOW2 image and spawn multiple "linked clones" for different gaming configurations without duplicating the base OS storage. Step 1: Creating the Optimized QCOW2 Disk
qemu-img convert -f qcow2 -O raw win98.qcow2 win98.img
We have updated the qcow2 header. We are no longer a guest. We are a container. However, patched builds like QEMU-3dfx exist
As of the time of writing, the most reliable, truly QCOW2 is the "Win98-SE-Slim-Updated-2025" release on the Internet Archive. Search for that exact string. It includes:
The image is a high-performance, pre-configured virtual hard disk designed for modern hypervisors like QEMU, KVM, and UTM. By integrating essential stability patches, modern drivers, and kernel extensions, these updated images transform the notoriously unstable legacy OS into a functional environment for retro gaming and software development. Why Use an Updated QCOW2 Image?
: Implements VESA BIOS Extensions for high-definition widescreen resolutions (e.g., 1920x1080) at 32-bit color.