Installing Drupal

hi, i'm newbie in drupal, this is my first time here
i need help with a problem

when i run composer install, this happens:

Loading composer repositories with package information
Info from https://repo.packagist.org: #StandWithUkraine
Updating dependencies
Your requirements could not be resolved to an installable set of packages.

I have an interesting situation now.  I completed an installation of a Drupal 7.90 website complete with a theme and was in the process of customization when I was persuaded to ditch it and go with Drupal 9.  Now I have uploaded via FTP an unzipped distribution of Drupal 9.4.1 thinking I could just over-write the existing code and folder content.  But, no.  When I load the new index.php in my browser expecting to go through the new steps of installing the new Drupal, it says, "The website encountered an unexpected error. Please try again later.".

I am trying to set up drupal on one of my websites. And part of the process involves giving a database name, database username and database passowrd. I assume I need to do that beforehand. Am I right?  Do I need to create that on the control panel of my web hosting site?
 

Hello Forum.

I have used drupal in the past but I have since been off doing other things.  I need a refresher course if one exists on how to install drupal and then install a theme.  I have had a look around  the Installation Guide for more detailed information. 

I am trying to create a new Drupal 7 website from scratch on a Windows Server 2016 machine using PHP 7.4.29 and MySQL 5.6. (Other websites within my organization are on Drupal 7, so we want to stay at the same version.)

I have used the php.ini-development as my php.ini file without any modifications.

When I get to the Verify Requirements step of Drupal's install.php it gives me 2 errors and 1 warning:

I have mariadb 10.8.6, php 7.4.29, apache 2.4.53, drupal 9.3.16. I installed drupal using composer and went into mysql from the command line and created and set permissions for the database, go to the web based install and when I get to the database section it fails with permission denied. From the command line i log in with same user and password, change to the database and it allows me, not much I can do there for all the tables and such weren't created because of the permission denied error.

From the command line in mysql i enter the following: