def convert_nt_key(nt_key):
    mapping = {
        r'\REGISTRY\MACHINE': 'HKEY_LOCAL_MACHINE',
        r'\REGISTRY\USER': 'HKEY_CURRENT_USER',
        r'\REGISTRY\CLASSES_ROOT': 'HKEY_CLASSES_ROOT',
        r'\REGISTRY\CURRENT_CONFIG': 'HKEY_CURRENT_CONFIG',
        r'\REGISTRY\USERS': 'HKEY_USERS',
        r'\REGISTRY\A': 'HKEY_CURRENT_USER\\Software\\Classes',
        r'\REGISTRY\WC': 'HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control',
    }
    for nt, win32 in mapping.items():
        if nt_key.startswith(nt):
            return nt_key.replace(nt, win32)
    return nt_key  # if no mapping was found, return original key
# usage:
nt_key = r'\REGISTRY\A\Software\...'
win32_key = convert_nt_key(nt_key)
print(win32_key)  # outputs: 'HKEY_CURRENT_USER\Software\Classes\Software\...'