3. System requirements
Web Server Disk space
Apache 2.x or Microsoft IIS 15 Mb
PHP 5.3.x
Database Server
Mysql 5.0.15 or higher with PDO
SQLite 3.3.7 or higher
Microsoft SQL Server and Oracle (are supported by an additional
module sqlsrv and oracle)
4. Download
drupal-7.10.zip
from
drupal.org/project/drupal
chmod 777
sites/default/files
sites/default/settings.php