Webmaster Toolbox, open hosts and prompt to save as, where to save
php小学生
Did you open the host file on the C drive and cannot save it? It may be due to permission issues. You can try saving it to the desktop first and then paste and copy it to the etc directory of the C drive.
Ask the teacher in the group
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Did you open the host file on the C drive and cannot save it? It may be due to permission issues. You can try saving it to the desktop first and then paste and copy it to the etc directory of the C drive.
Ask the teacher in the group