After the installation of this version, which is Mozilla Firefox 57, we write the following again in the terminal:
ຫລັງຈາກຕິດຕັ້ງເວີຊັ່ນນີ້, ເຊິ່ງແມ່ນ Mozilla Firefox 57, ພວກເຮົາຂຽນສິ່ງຕໍ່ໄປນີ້ອີກໃນ terminal: