This page sort of presumes that you have a Windows pc which won't boot up, or else will have one before too very long.
To repair your bootup involves rebuilding your boot partition (System Reserved) partition,
burnt on onto some media like USB drive or DVD. There are
HybridPE is built towards the amd64 architecture on a Windows 10 Pro 64 bit machine
I do not know exactly how far back on the timeline there are versions of Windows that support these basically three tools (bootrec, bootsect, bcdedit),
i have looked it up and i will link you to the results below, but the fact is i do not have these machines and i cannot really prove that this tool works on these machines.
I will say that on my Windows 10 Pro 64 bit machine the bootx tool works.
And bootx rebuilds the boot partition like it was breathing.
I see no reason why bootx should not work on 32 bit and 64 bit,
ill bet it is all editions of 10,, like Windows 10 Home, Windows 10 Pro, Windows Ultimate, Windows 10 N,
7, 8, 8.1 should work i believe - i have not tested these
XP, Vista, i'll bet have some of the tools, maybe not all of them - i have not tested these
--- this tool does not use bootcfg, and i am learning that bootcfg is integral say as far back as XP
--- there is nothing stopping you from adding to or subtracting from the .bat file and suiting it to your own tool set..