Requirements
Server readiness
Step 1 of 4
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PHP version
Running PHP 8.2.33. PHP 8.4 or newer is required.
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MySQLi extension
Required for database connection checks and installation.
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IMAP extension
Required for mailbox features.
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MBString extension
Required for multi-byte text handling.
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ZIP extension
Required for archive exports and package handling.
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GD extension
Required for image processing.
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PDO extension
Required by several framework components.
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CURL extension
Required for purchase verification and remote updates.
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OpenSSL extension
Required for secure transport and encryption helpers.
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allow_url_fopen
Required by legacy remote checks.
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Config directory
application/config must be writable so app-config.php can be generated.
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App config file
application/config/app-config.php must be writable when it already exists.
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Database config file
application/config/database.php should remain readable and constants-based.
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HTACCESS file
.htaccess is optional. Keep it writable only if this installer should manage clean URL rules.