The microcode_ctl utility is a companion to the Linux IA32 microcode driver present in recent kernels (2.2.18+ / 2.4.x). It decodes and sends new microcode to the kernel driver to be uploaded to Intel IA32 family processors.
Intel IA32 Microcode Update Utility is a property of Intel IA32 Microcode Update Utility respective authors, vendors and developers. You can download Intel IA32 Microcode Update Utility for your hardware. If you want to use Intel IA32 Microcode Update Utility for other purpose, Please contact the authors, vendors and developers of Intel IA32 Microcode Update Utility.