Most technicians use a FreeDOS environment or a WinPE bootable drive to run the .exe or .bat files.
: Most versions require a bootable DOS USB drive.
Since "HP Download 15L" suggests an HP desktop PC (e.g., HP Victus 15L, HP Pavilion 15L), I have structured the post to cover (driver tools vs. Intel AMT firmware).
The AMT Brand Tool HP Download 15L is a specific version of the AMT Brand Tool software, compatible with HP computers running on 15th generation processors ( denoted by "15L"). This tool allows you to configure, update, and manage HP systems with ease.