- Webserver
- for Drupal 9 under Apache, at least version 2.4.7 is required
- for Drupal 9 on Nginx, at least version 0.7.x is required
- Database
- MariaDB 10.3+ or MySQL/Percona 5.7.8+
- PHP
- PHP 7.3 or higher is required
- PHP 7.4 is also supported but not required
PHP 8 is supported from Drupal 9.1.0
- PHP 7.4 is also supported but not required
- PHP 7.3 or higher is required
- About 100 MB of server space is required to install the current Core version 9.