[[proc_configuring-nested-virtualization-in-virt-manager]] = Configuring nested virtualization in virt-manager Configure your VM to use nested virtualization: . Open virt-manager, double-click the VM in which you wish to enable nested virtualization, and click the *Show virtual hardware details* icon. . Click *CPUs* in the side menu. In the *Configuration* section, there are two options - either type `host-passthrough` in the *Model:* field, or select the *Copy host CPU configuration* check box (that fills the `host-model` value in the *Model* field). + NOTE: Using host-passthrough is not recommended for general usage. It should only be used for nested virtualization purposes. + . Click *Apply*.