To install Achievo, you need a webserver with PHP5 support, and a database server (MySQL3+ is fully supported, PostgreSQL and Oracle support is present but may not be fully functional). Unzip the Achievo archive somewhere in your webservers' documentroot, and read the installation instructions (in the doc/INSTALL file after you unzipped Achievo, or online.
When upgrading from a previous version of Achievo, a database patch is necessary. The Achievo setup.php script can take care of this. After upgrading the software, go to the setup.php script in your Achievo directory, using your browser. Login as 'Administrator', with the password configured in the config.inc.php file, and follow the instructions on screen. More detailed upgrade instructions can be found in the UPGRADE file in the doc/ directory inside the Achievo tar.gz file
The Achievo 1.3.4 bug fix release includes the following changes: