A vCPU is not a physical object. It is a "time-slice" of a physical CPU core, managed by virtualization software. When you assign 4 vCPUs to a virtual machine (VM), the hypervisor schedules tasks from that VM across the available physical cores of the host server. How to "Download" vCPU Capabilities

If you want to use vCPUs on your own hardware, you need to download a or Hypervisor . Popular options include:

To "get" more vCPUs, you must download and install a —the engine that creates them—or provision them through a cloud provider. What is a vCPU?

A powerful open-source emulator and virtualizer often used in Linux environments. It is available for download on the QEMU site . Provisioning vCPUs in the Cloud What Is a vCPU? Cloud Core Explained for 2026

This is often built into Windows 10/11 Pro and Enterprise. You don’t download it so much as "enable" it via the "Windows Features" menu.

A free, open-source hypervisor that runs on Windows, Mac, and Linux. You can download VirtualBox to start creating VMs with custom vCPU counts.