KVM (Kernel-based Virtual Machine) is not available for Windows but there are some alternatives that runs on Windows with similar functionality. The best free Windows alternative is VirtualBox, which is also Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to KVM (Kernel-based Virtual Machine) and ten of them are free and available for Windows so hopefully you can find a suitable replacement. Other interesting free Windows alternatives to KVM (Kernel-based Virtual Machine) are QEMU, VMware Workstation Pro, VMware Workstation Player and Windows Sandbox.
KVM is a kernel module that QEMU can use to speed up the emulation