Hello, myself Emmanuel Katto and I'm from Uganda. I need to know how can I install Drupal??

First  am new to some of this but am excited to be here and looking forward to getting my site up. So here is my issue .  I downloaded the latest version of D10 here on this site in zip format. Uploaded it to my shared hosting server (greengeeks...USA) via file upload in Cpanel unzipped it and got to the install wizard and when I get to the database section mysql is not an option as I had read in the install guides I read. In fact there were no option to choose from only sqlite with a radio button but that was it. No other choices.

Because I want to create a website with a forum and webshop,
I installed Drupal online with a web-installer from all-inkl, where I don't have composer.
Then I did install a new version of this website locally on xampp and tried to upload the files, which failed miserably.
So I decided to install 3 lightweight softwares for all desired functions: for the content wordpress, a vanilla-forum and a presto-shop.
But I also run into other troubles with those.

I am following instructions here https://www.drupal.org/docs/develop/local-server-setup/windows-developme...

to install Drupal and server on a usb stick (for offline demo). I have highlighted and solved the [PHP Extensions - Disabled .gd] error. But still cant install as I get this install error 

I don't quite know where to start with asking. it's been a while since I was going to upgrade from Drupal 9 to Drupal 10 and CKEditor 5. got druapl updated and everything like that, but then the problem comes that one of the new functions adds <p></p> to the html code which I didn't have in drupal 9 and CKEditor 4. everything from sending has become strange. <p></p> is inserted between <dd> and <dt> in <dl> layouts I have made. have also got some extra <div>. I use Asset Injector css with my own html.

I am installing Drupal 10.09 on Ubuntu 22.04 using drupal 10-fpm-alpine image.  After finally getting through the first few pages of web installation, I got to the last page and after filling out site info, I clicked next and go this error:

Fatal error: Declaration of Drupal\Core\TypedData\Validation\ExecutionContext::markObjectAsInitialized($cache_key) must be compatible with Symfony\Component\Validator\Context\ExecutionContextInterface::markObjectAsInitialized(string $cacheKey): void in /opt/drupal/web/core/lib/Drupal/Core/TypedData/Validation/ExecutionContext.php on line 300