Qemu

A FOSS machine emulator and visualizer, supporting multiple hypervisors including Linux Kernal-based Virtual Machine (KVM) and Windows Hyper-V.

Guides:

Arch Wiki: https://wiki.archlinux.org/title/QEMU
CachyOS Wiki: https://wiki.cachyos.org/virtualization/qemu_and_vmm_setup/
Quickemu: https://github.com/quickemu-project/quickemu

Install

# qemu-desktop         qemu with only x86_64 emulation
paru -S qemu-desktop
sudo usermod -aG libvirt $USER
systemctl enable --now libvirtd.socket

# enable network access for vms
sudo virsh net-autostart default
sudo ufw route allow from 192.168.122.0/24

Automated VM CLI tool and optional GUI

paru -S quickemu quickgui

Powerful GUI

sudo pacman -S virt-manager