The best Qemu tutorial

1 - Create your disk:

qemu-img create -f qcow2 win.qcow2 80G

Define your disk size, in the example we used 80GB

2 - Launch your VM:

qemu-system-x86_64 -cdrom /virt/iso/win10.iso -audio driver=pa,model=virtio,server=/run/user/1000/pulse/native -hda win.qcow2 -boot d -enable-kvm -smp 4 -cpu host -m 16G -vga virtio -net nic,model=e1000 -net user -usbdevice tablet

*model=virtio= Define here your sound card model here in my computer i use the ac97 and i use hda intel and pulseaudio.

-cdrom= The directory of your boot disk image

-smp 4 = Number of threads, here i use 4

-m 16G = Ram, here i use 16GB for Windows VM