# Requirements and compatibility
In order to work, XTDir for SobiPro (opens new window) requires the following server software environment:
Joomla 3.9, or superior.
PHP 7.4, PHP 8, or superior.
SobiPro 1.3+, or superior
MySQL 5.7+, or superior (recommended).
PHP memory_limit 64 M, or more (recommended).
INFO
XTDir keeps backwards compatibility with previous SobiPro versions. Please, remember to verify SobiPro requirements here: https://www.sigsiu.net/center/sobipro-component/98-requirements (opens new window).
From Sigsiu's Archive (opens new window): Please note: NO SUPPORT is given for older versions of SobiPro: SobiPro 1.2, 1.1 and 1.0.