Quote Originally Posted by WiccanWitch420 View Post
I have zen cart version info:
Zen Cart 1.5.5d
Database Patch Level: 1.5.5
v1.5.5a [2016-05-30 17:05:28] (Version Update 1.5.4->1.5.5a)
v1.5.4 [2015-02-18 04:55:48] (New Installation)
v1.5.4 [2015-02-18 04:55:48] (New Installation)

PHP Version: 5.6.40 (Zend: 2.6.0)
Database: MySQL 5.5.62-cll

And I wanted to know if I can install the newest version of this plug in, or if I need to install the one that is for 1.5.5? Please let me know, thank you.
The newest version requires zc157+, so you'll need to install an older version.