How to install Windows 10 in QEMU

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< Windows 8.1 | Windows 11 >

The Windows 10 desktop in build 19042.962.

Windows 10 is an operating system created by Microsoft, released in 2015. It is the second latest Windows version, behind Windows 11.

Running on CollabVM

Windows 10 works alright, but can be somewhat slow on QEMU even with KVM turned on. Disabling and uninstalling unnecessary background applications helps fix this problem. VM 3 used to run Windows 10 but now it's gone.

Windows 10 is extremely slow without virtualization, so if you don't have root/KVM/Xen, speeds are not optimal.

Recommended version: Windows 10 Enterprise LTSB 2016

Starting up

QEMU

Pre-installation

Make a qcow2 image (or a raw image if you want) by typing

qemu-img create -f qcow2 win10.img 40G

Windows 10 requires some disk space, you can make this 20 gigabytes if you want but it is recommended to have at least 40 GB for users to install programs onto.

When that's done, run the following command:

qemu-system-x86_64 -hda win10.img -cdrom win10_iso_name.iso -boot d -enable-kvm -cpu host -m 4G -vga std -net nic,model=e1000 -net user -usbdevice tablet -rtc base=localtime

Or if running without root or virtualization:

qemu-system-x86_64 -hda win10.img -cdrom win10_iso_name.iso -boot d -cpu qemu64 -m 4G -vga std -net nic,model=e1000 -net user -usbdevice tablet -rtc base=localtime

4 gigabytes of memory is highly recommended for optimal performance, but you can use 2 GB if absolutely necessary. Windows 10 32-bit does boot/run on 512 MB of RAM, but it is unresponsive and virtually unusable. Keep it 4 GB at minimum.

You'll also want to uninstall unnecessary applications and disable Windows Defender, so the VM won't be really slow.

After installation

qemu-system-x86_64 -hda win10.img -boot c -enable-kvm -cpu host -m 2G -vga std -net nic,model=e1000 -net user -usbdevice tablet -rtc base=localtime

Or if running without root or virtualization:

qemu-system-x86_64 -hda win10.img -boot c -cpu qemu64 -m 2G -vga std -net nic,model=e1000 -net user -usbdevice tablet -rtc base=localtime

Setting up your VM

After going through the OOBE, it is recommended to go through gpedit.msc and manage some policies. If you have an AD (Active Directory) server, you can hook up your VM to that and manage policies there. If you want, you can also "debloat" the OS making it run slightly faster.

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