Dolibarr is released under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version (GPL-3+).
- Copy directory "dolibarr" and all its files inside your web server root, or copy directory anywhere and set up your web server to use "dolibarr/htdocs" as root for a new web server virtual host (second choice need to be server administrator)
- Create an empty file "htdocs/conf/conf.php" and set permissions for your web server user (write permissions will be removed once install is finished)
- From your browser, go to the dolibarr "install/" page
- If you're upgrading from a beta version or from any version x.y.z to any other where x or y number differs, you must call the Dolibarr "install/" page in your browser (this should be done automatically at first dolibarr access) and follow the upgrade process.
- Multi-Users and groups with finely grained rights
- Localization in most major languages
- Can manage several companies by adding external module multi-company.
- Can manage several currencies by adding external module multi-currency.
- Very user friendly and easy to use
- Highly customizable: enable only the modules you need, add user personalized fields, choose your skin, several menu managers (can be used by internal users as a back-office with a particular menu, or by external users as a front-office with another one)
- Works with PHP 5.3+ and MySQL 4.1+ or PostgreSQL 8.1. (See requirements on the [Wiki](http://wiki.dolibarr.org/index.php/Prerequisite))
- Compatible with all Cloud solutions that match MySQL, PHP or PostgreSQL prerequisites.
- An easy to understand, maintain and code interfaces with your own information system (PHP with no heavy framework; trigger and hook architecture)
- Support for country specific features:
- Spanish Tax RE and ISPF
- French NPR VAT rate (VAT called "Non Perçue Récupérable" for DOM-TOM)
- Canadian double taxes (federal/province) and other countries using cumulative VAT
- Tunisian tax stamp
- Compatible with [European directives](http://europa.eu/legislation_summaries/taxation/l31057_en.htm) (2006/112/CE ... 2010/45/UE)
- PDF or ODT generation for invoice, proposals, orders...
Administrator, user, developer and translator's documentations are available along with other community resources on the [Wiki](http://wiki.dolibarr.org).