def METHOD_NAME(fileName: str) -> None:
	"""Applies the registry patch with the given file name, using 64-bit regExe.
	Note: this function is valid while NVDA remains a 32-bit app. Re-evaluate if we move to 64-bit.
	@param fileName: the path to the .reg file
	@type fileName: str
	"""
	if not os.path.isfile(fileName):
		raise FileNotFoundError(f"Cannot apply 64-bit registry patch: {fileName} not found.")
	# On 64-bit systems, SysWOW64 provides 32-bit apps with a virtual directory to reach 64-bit executables.
	regExe = os.path.join(SYSNATIVE, "reg.exe")
	# Make sure a console window doesn't show when running reg.exe
	startupInfo = subprocess.STARTUPINFO()
	startupInfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
	startupInfo.wShowWindow = subprocess.SW_HIDE
	try:
		subprocess.check_call([regExe, "import", fileName], startupinfo=startupInfo)
	except subprocess.CalledProcessError as e:
		log.error(f"Error applying 64-bit registry patch from {fileName} with {regExe}: {e}")
	else:
		log.debug(f"Applied 64-bit registry patch from {fileName}")