Can't access site after manually updating WordPress

[LeiScrive]

After manually updating WordPress, when accessing my site, this error shows up:

This page isn’t working
leiscrive.ml is currently unable to handle this request.
HTTP ERROR 500

I’m also unable to access /wp-admin
It only directs me to Directory Listing

Please help. I watched and read several tutorials on how to fix it, but nothing works.

[KangJL]

How about this?

Http error 500

When trying to access your website, you may see a page which returns the status code “500”. In Google Chrome, you’ll see a page with the error code HTTP ERROR 500. There are typically two reasons which can cause this error: The PHP code has crashed. The .htaccess file contains invalid rules. Here are some things you can try to debug and fix this. Fixing crashing PHP code A HTTP ERROR 500 simply tells you that the PHP code has crashed, but gives no information as to why it has crashed. Gett…

[LeiScrive]

After configuring php directives, this appears when accessing my site.

[LeiScrive]

This is what the line 33 contains. I’ve seen an answer in StackOverflow about deleting the line. But after deleting it, new error are showing about the next lines

[jaikrishna.t]

You messed up your WordPress files. Hope you have a backup! You could do a fresh install from softaculous, next time, please update through softaculous.

[LeiScrive]

I fixed it. Lol. Sorry, it’s just me being a dumbass again. I retransferred all the needed files from the WordPress package and headed to /wp-admin/upgrade.php

Everything’s fine now.

Thanks, btw. I didn’t know I could update WordPress through Softaculous.