When installing a desktop hypervisor, the setup program reports that no hardware virtualization support is available on the host PC. Which CPU feature must typically be present and enabled in the system's UEFI/BIOS for 64-bit virtual machines to run successfully?
Most modern hypervisors rely on hardware-assisted virtualization instructions built into the CPU. Intel calls this technology VT-x, while AMD calls it AMD-V. If the feature is disabled or not present, the hypervisor cannot start 64-bit guests and may refuse to install. Secure Boot, TPM, and Hyper-Threading are unrelated to basic virtualization support.
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