Minimum:

• PHP 5.3 with short tags enabled or PHP 5.4+ to PHP 7.4 (not tested with php 8 yet)
• MySQL 5 to MysQL8
• PHP extensions: MySql PDO, GD2, Curl, libxml, exif, zlib (if you need to export theme)
• Magic quotes must be disabled
• Memory Limit: 128M+

Recommended:

• Apache server with mod_rewrite