What are the modern ways to fix bcd, efi, mbr?

Question

JavaScript

Good afternoon, I recently encountered the problem of transferring windows installed on GPD EFI to a PC with BIOS without gpt support.
in the end it all turned into a very (not) interesting lottery with bootrec.exe and bootsect.exe.
the question is, what are the modern and fast means of converting system loaders?
would it be more logical to put a grab? to save time when moving a fleet of new PCs to a fleet of old laptops?

Answer 1

I'll just quote this:

Professional layout designer with over 14 years of experience

Answer 2

As I understand it, the problem is this:
You need to write like this:
But reconsider your code. I think that it is possible to write more concisely and correctly.

Answer 3

1 - no "conversion" will save you, you need to change the firewood in Windows
2 - 10 comes to life itself
3 - old-fashioned - in Google. The topic has been covered from head to toe.