sudo apt install virt-manager
sudo systemctl start libvirtd
sudo systemctl enable libvirtd
Your user needs access to libvirt and kvm or it won't work without running as sudo.
sudo usermod -a -G kvm yourusername
sudo usermond -a -G libvirt yourusername
If you get errors relating to being unable to connect to QEMU or not active connection, it is probably a permissions issue.
if you get errors with being unable to connect to libvirtd, it is probably not started.
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