Bios Mods -The Best BIOS Update and Modification Source

hello friends, good, I need to add microcodes to the bios of my laptop, to update the processor, but the mmtools program does not detect it, and hxd tells me that it is encrypted, how can I add the microcodes of that processor?

Post a screenshot with Mainboard tab of CPU-Z.
What are old and new CPUs?