Under the "File" tab, select (or "Update System BIOS"). Select your USB drive and the .BIN file.
Specifically, corresponds to an older HP SoftPaq, typically associated with: sp64701.exe
6 Jun 2017 — * HP Z420 Workstation. * Microsoft Windows 10 (64-bit) HP Support Community Unable to update HP z420 BIOS from 1.02 to current 3.91 Under the "File" tab, select (or "Update System BIOS")
sp64701.exe is a critical BIOS update (Version 01.23 Rev. A) Under the "File" tab