0️⃣ Install qemu/kvm
$ sudo apt install qemu-system libvirt-daemon-system
1️⃣ Create Virtual Hard Disk
$ qemu-img create -f qcow2 ReactOS.qcow2 4G
2️⃣ Download "Boot CD" .iso file from https://reactos.org/download/
3️⃣ Launch VM
$ qemu-system-i386 -m 1G -enable-kvm -rtc base=localtime -machine accel=kvm -drive if=ide,index=0,media=disk,file=ReactOS.qcow2 -drive if=ide,index=2,media=cdrom,file=ReactOS.iso -boot order=d
where
That's it.
References
We'll install MSYS, MinGW, git, SciTE and Vishap Oberon on ReactOS.
Stay tuned 📻.
うね