your web applications running on your local machine, such as for example Drupal running on Wampserver or XAMPP on your computer or laptop, might encounter some errors when trying to use cURL to access external resources through the internet.

here an example from Drupal:

To reset the admin password without access to admin email and without using drush, you first need to choose your new password, then generate a hash for it.

Then use phpMyAdmin to access the Drupal database and in the Users table replace the hash, then delete the cached password.

https://www.useotools.com/drupal-password-hash-generator/

Clear the table "flood" in the database

this is a stub, the article will be about the quick and dirty method of updating Drupal, no composer, no drush required.

do a full backup of website and database first!

easy steps on a Plesk server, but you can easily reproduce on another platform: