نصب نشدن لاراول

سلام پروکسی رو امتحان کردم گیت هم نصب کردم باز هم لاراول نصب نمیشه ورژن 6 اش رو میخوام نصب کنم اما نمیشه.

Package swiftmailer/swiftmailer is abandoned, you should avoid using it. Use symfony/mailer instead.
Package symfony/debug is abandoned, you should avoid using it. Use symfony/error-handler instead.
Generating optimized autoload files
> Illuminate\Foundation\ComposerScripts::postAutoloadDump
Deprecation Notice: Return type of Illuminate\Container\Container::offsetExists($key) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in C:\Users\Delghandi\bmg\vendor\laravel\framework\src\Illuminate\Container\Container.php:1231
Deprecation Notice: Return type of Illuminate\Container\Container::offsetGet($key) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in C:\Users\Delghandi\bmg\vendor\laravel\framework\src\Illuminate\Container\Container.php:1242
Deprecation Notice: Return type of Illuminate\Container\Container::offsetSet($key, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in C:\Users\Delghandi\bmg\vendor\laravel\framework\src\Illuminate\Container\Container.php:1254
Deprecation Notice: Return type of Illuminate\Container\Container::offsetUnset($key) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in C:\Users\Delghandi\bmg\vendor\laravel\framework\src\Illuminate\Container\Container.php:1267
> @php artisan package:discover --ansi
PHP Warning:  Module "openssl" is already loaded in Unknown on line 0

Warning: Module "openssl" is already loaded in Unknown on line 0

PHP Fatal error:  During inheritance of ArrayAccess: Uncaught ErrorException: Return type of Illuminate\Support\Collection::offsetExists($key) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in C:\Users\Delghandi\bmg\vendor\laravel\framework\src\Illuminate\Support\Collection.php:1277
Stack trace:
#0 C:\Users\Delghandi\bmg\vendor\laravel\framework\src\Illuminate\Support\Collection.php(11): Illuminate\Foundation\Bootstrap\HandleExceptions->handleError(8192, 'Return type of ...', 'C:\\Users\\Delgha...', 1277)
#1 C:\Users\Delghandi\bmg\vendor\composer\ClassLoader.php(576): include('C:\\Users\\Delgha...')
#2 C:\Users\Delghandi\bmg\vendor\composer\ClassLoader.php(427): Composer\Autoload\{closure}('C:\\Users\\Delgha...')
#3 C:\Users\Delghandi\bmg\vendor\laravel\framework\src\Illuminate\Support\helpers.php(109): Composer\Autoload\ClassLoader->loadClass('Illuminate\\Supp...')
#4 C:\Users\Delghandi\bmg\vendor\laravel\framework\src\Illuminate\Foundation\PackageManifest.php(130): collect(Array)
#5 C:\Users\Delghandi\bmg\vendor\laravel\framework\src\Illuminate\Foundation\PackageManifest.php(106): Illuminate\Foundation\PackageManifest->build()
#6 C:\Users\Delghandi\bmg\vendor\laravel\framework\src\Illuminate\Foundation\PackageManifest.php(89): Illuminate\Foundation\PackageManifest->getManifest()
#7 C:\Users\Delghandi\bmg\vendor\laravel\framework\src\Illuminate\Foundation\PackageManifest.php(78): Illuminate\Foundation\PackageManifest->config('aliases')
#8 C:\Users\Delghandi\bmg\vendor\laravel\framework\src\Illuminate\Foundation\Bootstrap\RegisterFacades.php(26): Illuminate\Foundation\PackageManifest->aliases()
#9 C:\Users\Delghandi\bmg\vendor\laravel\framework\src\Illuminate\Foundation\Application.php(219): Illuminate\Foundation\Bootstrap\RegisterFacades->bootstrap(Object(Illuminate\Foundation\Application))
#10 C:\Users\Delghandi\bmg\vendor\laravel\framework\src\Illuminate\Foundation\Console\Kernel.php(320): Illuminate\Foundation\Application->bootstrapWith(Array)
#11 C:\Users\Delghandi\bmg\vendor\laravel\framework\src\Illuminate\Foundation\Console\Kernel.php(129): Illuminate\Foundation\Console\Kernel->bootstrap()
#12 C:\Users\Delghandi\bmg\artisan(35): Illuminate\Foundation\Console\Kernel->handle(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#13 {main} in C:\Users\Delghandi\bmg\vendor\laravel\framework\src\Illuminate\Support\Collection.php on line 11
In Collection.php line 11: