# Installation & operations guide This page summarizes the options for getting OpenProject, some hosted and some on-premise. With this information you should be able to decide what option is best for you. Find a full feature comparison [here](https://www.openproject.org/pricing/#compare). ### On-premises * **Community edition** - The free, no license, edition of OpenProject that you install on-premise. The additional features of the Enterprise edition are not included. See the "Installation" row of the table below. * **Enterprise on-premise edition** - Builds on top of the Community edition: additional features, professional support, hosted on-premise with optional installation support. See more [on the website](https://www.openproject.org/enterprise-edition/), where you can apply for a free trial, or in the [documentation](../enterprise-edition-guide/). ### Hosted * **Enterprise cloud edition** - Hosted by OpenProject in an EU Data Center, with premium features and professional support . See more on the [website](https://www.openproject.org/hosting/), where you can apply for a free trial, or in the [documentation](../cloud-edition-guide/). * **Univention App Center** - Download the free Community edition as a pre-installed virtual environment and upgrade to the Enterprise edition with premium features and support. See the [documention](installation/univention/) for details. All editions can be enhanced by adding **[the BIM module](https://www.openproject.org/bim-project-management/)**, including features for construction project management, i.e. 3D model viewer, BCF management. See how to [switch to that edition](changing-to-bim-edition) in the documentation or how to start a [BIM cloud edition](https://start.openproject-edge.com/go/bim). Compare the features of these versions [on the website](https://www.openproject.org/pricing/#compare). The Community edition can easily be upgraded to the Enterprise edition. * **Development** - OpenProject is open source; if you want to help with the code, check the [development instructions](../development/) and install a [development environment.](../development/#additional-resources)