When one tries to install Debugging Tools for Windows as a Stand-alone Component, there is the possibility to download ISO images of the "Microsoft Windows SDK for Windows 7 and .NET Framework 4". The 3 ISO images are called
The pattern is clear,
GRMSDK<microprocessor architecture, defaulting to x86>_EN_DVD.iso.
SDK must be
Self* Software development kit, EN is English, and DVD is just digital versatile disc.
While it's not quintessential to know, I wonder, what does "GRM" stand for?
*: As seen in Do It Yourself for Eng*r*ish.