Disable comment form

Hi there,

Do you mean other than using plugins?
https://www.ads-software.com/plugins/tags/disable-comments/

Yes. I already have too many plugins installed. Thank You!

In that case, you need to disable them manually:
https://www.wpbeginner.com/wp-tutorials/how-to-completely-disable-comments-in-wordpress/
https://www.wpnewblogger.com/how-to-disable-comments-on-wordpress-posts-pages/

Thank you. I succeeded.