This is the legacy name that is still widely used. For platforms like Intel Core 2 Duo, 1st through 7th Gen Core processors (Skylake, Kaby Lake, etc.), the primary utility is . It is a command-line driven tool that operates in a DOS environment or Windows.
platform-flash-tool -platform <board> -action <action> [options] intel platform flash tool
sudo ./platform-flash-tool -platform intel_ehl_crb -action program -file flash_image.bin -interface spi This is the legacy name that is still widely used
fptw64.exe [operation] [argument] [global option] intel platform flash tool
One of the most confusing aspects for beginners is that there is no single "Universal" Intel Platform Flash Tool. You must download the version specific to your chipset.