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  1. Upload all files, overwriting any existing files

  2. If your server allows it, CHMOD the following files and directories to 755 or, if you have problems, 777.

  3. Go to the install directory in your browser

  4. Follow the instructions

  5. Delete the install directory


Upgrading is done in the same way as installing. Make sure you select the "upgrade" option. Before upgrading, make a note of your current MercuryBoard installation version: you will need it to correctly upgrade.

You may want to make a note of the values of$set['db_host'], $set['db_name'], $set['db_pass'], $set['db_user'] from your old settings.php. These may be required to upgrade. After upgrading, you may need to use some of the board maintenance features in the admin control panel.


MercuryBoard works with PHP 4.1.0 or higher. PHP 5 is also supported. MySQL 3.22 or higher is required. MercuryBoard works on any operating system and web server combination.

If you experience a problem and you meet these requirements, please report it as a bug. The latest versions of PHP and MySQL are recommended to keep MercuryBoard running its fastest and safest.


This software is released under the GNU General Public License v2 (GPL). For the terms of the license, see the file docs/COPYING.txt included in this distribution. The license is also available in many languages at

How You Can Help

If you know PHP and MySQL, and would like to help develop MercuryBoard, then feel free to modify the board and contact Jason Warner . If you know a language in addition to English and would like to translate, your help is also welcome.

Feature requests and bug reports are also very important to us. We have created forums at our site for this kind of information.


If you're sure you've read the above information, and it simply will not work, visit the MercuryBoard support forums at


PHP forum software (note: no longer actively developed)



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