laravel installation error with composer install

hi

I use a GitHub package to install the admin panel: //github.com/FTXInfotech/laravel-adminpanel

I have these errors when I use composer install command :

Problem 1
 - Installation request for paragonie/certainty v2.6.1 -> satisfiable by paragonie/certainty[v2.6.1].
 - paragonie/certainty v2.6.1 requires ext-curl * -> the requested PHP extension curl is missing from your system.
 Problem 2
 - Installation request for tijsverkoyen/css-to-inline-styles 2.2.2 -> satisfiable by tijsverkoyen/css-to-inline-styles[2.2.2].
 - tijsverkoyen/css-to-inline-styles 2.2.2 requires ext-dom * -> the requested PHP extension dom is missing from your system.
 Problem 3
 - Installation request for phar-io/manifest 1.0.3 -> satisfiable by phar-io/manifest[1.0.3].
 - phar-io/manifest 1.0.3 requires ext-dom * -> the requested PHP extension dom is missing from your system.
 Problem 4
 - Installation request for phpunit/php-code-coverage 7.0.10 -> satisfiable by phpunit/php-code-coverage[7.0.10].
 - phpunit/php-code-coverage 7.0.10 requires ext-dom * -> the requested PHP extension dom is missing from your system.
 Problem 5
 - Installation request for phpunit/phpunit 8.5.8 -> satisfiable by phpunit/phpunit[8.5.8].
 - phpunit/phpunit 8.5.8 requires ext-dom * -> the requested PHP extension dom is missing from your system.
 Problem 6
 - Installation request for theseer/tokenizer 1.1.3 -> satisfiable by theseer/tokenizer[1.1.3].
 - theseer/tokenizer 1.1.3 requires ext-dom * -> the requested PHP extension dom is missing from your system.
 Problem 7
 - tijsverkoyen/css-to-inline-styles 2.2.2 requires ext-dom * -> the requested PHP extension dom is missing from your system.
 - laravel/framework v6.18.20 requires tijsverkoyen/css-to-inline-styles ^2.2.1 -> satisfiable by tijsverkoyen/css-to-inline-styles[2.2.2].
 - Installation request for laravel/framework v6.18.20 -> satisfiable by laravel/framework[v6.18.20].

I use PHP 7.4 and laravel 7