Installing Drupal

Hi :)

I convert my Drupal 8.9 for a Composer install with this tutorial:

https://www.drupal.org/docs/installing-drupal/add-composer-to-an-existin...

But this file not exist in new D8.9 by composer install, soo I copy paste simply???

And sorry for idiot question but I am not dev. and use Drupal is very complicated... xD

Other question when I install Drupal site??? I dowload D8.9 by Composer, but when Install???

I'm trying to setup a local drupal 7 install for the first time. I've been working my way through the instructions and finally reached the point where it is time to do the site install. When I run the command:

../vendor/bin/drush site-install --debug --db-url=mysql://myuser:mypwd@localhost/mydb

it fails with the error:  

Drush\Sql\SqlException: Unable to find a matching SQL Class. Drush cannot find your database connection details.

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Hi all :)

Sorry but I am noob....

I have a website in Drupal 8.9 install in 2016, soo I try to migrate to Drupal9 but i have some problem.... :(

First I try to install just Drupal 9 in new folder but I can't with composer...

I have install WSL for to have Terminal Linux with Ubuntu, I install Composer in local it is oki. But after?

I know use SSH and it is oki for my Host OVH.

I put the command line for composer in SHell Ubuntu for go to OVH server? But Composer is install in Local no?

Thx for help I understnd nothing actually....

Hi, Im trying to install Open Social and Im getting an error on 'Install Site' potion. Wondering if anyone has any ideas of the problem. Thanks The error is as follows: 

I'm currently in the process of trying to install drupal 7 via composer. I installed composer 2 and php and ran the command:

composer create-project drupal-composer/drupal-project:7.x-dev Demo

The command then fails with the error:

Dear Thank you for the wonderful support always.  I got the following error while trying to install a paid version of a drupal 9 theme quickinstall version. Coud anyone please help me how to fix the issue?