## Installation requirements

The system on which you plan to install Rasa X / Enterprise must fulfill the following requirements:

### Supported Operating Systems

The following operating systems are supported:

- Ubuntu (18.04/20.04)
- CentOS (7/8)
- Red Hat Enterprise Linux

### Unsupported Operating Systems

- **Windows**: Rasa X / Enterprise is developed for Linux-based systems. The software does not run on Windows and there are no plans to add support for it.
- **macOS**: Running Rasa X / Enterprise on macOS is possible, but not supported.

## Software Requirements

### Supported Event Brokers

The following event brokers are supported:

- Kafka 2.6 or newer
- RabbitMQ 3.8.3 or newer

### Database requirements

#### Supported Databases

The following databases are supported. Please note these requirements are only for the Rasa X / Enterprise database, see the Rasa Open Source docs for tracker store database options.

- PostgreSQL 12.8 or newer
  - PostgreSQL comes bundled with an installation of Rasa X. As a replacement for the bundled database, you can also use an external PostgreSQL database (e.g. a Google Cloud managed instance, or AWS RDS).
  - For Rasa X < 1.0.0 installations PostgreSQL 11.7 was used as default version. In the migration guide, you can learn how to migrate from PostgreSQL 11 to 12.8.
- Oracle 19
  - A database connection with Oracle has to be initialised with UTF-8 encoding, e.g.
    `DB_URL=oracle+cx_oracle://${DB_USERNAME}:${DB_PASSWORD}@localhost:${DB_PORT}/${DB_NAME}?encoding=utf8`

##### caution

Support for Oracle will be dropped in the future.

#### Database Permissions

Databases used by Rasa X / Enterprise or related services should be exclusive to these services.
**Do not make direct changes to the database, schemas, roles, or other objects except when following instructions in the documentation.**

- By default, Rasa X / Enterprise uses the `public` schema. This can be changed by setting the `POSTGRESQL_SCHEMA` environment variable.
- The database role used by Rasa X / Enterprise should be the owner of the target schema, or it should have at least the `CREATE` privilege on the target schema.
- The database role used by Rasa X / Enterprise should have the `LOGIN`, `PASSWORD` and `INHERIT` attributes.
- Rasa X / Enterprise requires read access to tables in the system catalog schema (`pg_catalog`). In most cases, this won't need to be explicitly configured.

## Hardware Requirements

Minimum Requirements / Recommended:

- Dual Core CPU / Quad Core CPU
- 8 GB RAM / 16 GB RAM
- 20 GB / 50 GB Free Disk Space

## Supported Browsers

The Rasa X / Rasa Enterprise web interface aims to support browsers that meet the following criteria:

- 0.2% market share
- not Internet Explorer
- not Opera Mini