How to use a register form?

How to use a register form after you have make it in html?

I think I have found it out, I ask more if it don’t work

Okay, I didn’t find out, but here is the link to my website: file:///G:/Social%20media/THE%20FEARLESS%20GENIUS%20STORY%20TRY%203.html

Here is the link with the domain name: http://www.beast-story.ml/THE%20FEARLESS%20GENIUS%20STORY%20TRY%203.html

I wanna do so I must use my log in form: file:///G:/Social%20media/Log%20in%20form.html (to log in on my website: http://www.beast-story.ml/THE%20FEARLESS%20GENIUS%20STORY%20TRY%203.html