karabiner2.json

{
    "profiles": [
        {
            "devices": [
                {
                    "identifiers": {
                        "is_keyboard": true,
                        "is_pointing_device": false,
                        "product_id": 272,
                        "vendor_id": 2131
                    },
                    "ignore": false,
                    "keyboard_type": 42
                }
            ],
            "fn_function_keys": {
                "f1": "vk_consumer_brightness_down",
                "f10": "mute",
                "f11": "volume_down",
                "f12": "volume_up",
                "f2": "vk_consumer_brightness_up",
                "f3": "vk_mission_control",
                "f4": "vk_launchpad",
                "f5": "vk_consumer_illumination_down",
                "f6": "vk_consumer_illumination_up",
                "f7": "vk_consumer_previous",
                "f8": "vk_consumer_play",
                "f9": "vk_consumer_next"
            },
            "name": "Default profile",
            "selected": true,
            "simple_modifications": {
                "application": "fn",
                "caps_lock": "left_command",
                "international2": "right_gui",
                "international4": "lang1",
                "international5": "lang2",
                "left_command": "left_option",
                "left_control": "caps_lock",
                "left_option": "left_control"
            }
        }
    ]
}

macOS SierraでWindowsキーボードがようやく問題無く使えるようになりました – ガジェットポエム – Medium にてGUIで設定後の設定ファイル。