Using BootFloppies and Boot CD's like BartPE since 2003 has changed for me
since I joined May 9, 2007 the work of ilko_t, cdob and jaclaz in the devolopment of
How to boot/install from USB key ?
This resulted in the batch program USB_MultiBoot2.cmd to make USB for Install of XP from USB
I checked that my last MultiBoot DVD is from August 2012
Boot and Install from USB had become the Standard by that time.
Then with the introduction of Windows 8 in september 2012 everything changed with UEFI.
The answer came on 18 Feb 2013 with UEFI_MULTI to Make Multi-Boot USB-Drive and recently on 06 Mar 2020 with USB_FORMAT Tool
Nowadays booting from Portable SSD with Win10XPE from RAMDISK Or with full Win10x64 in VHD as FILEDISK is great fun for Install from USB.