# Preparing your system

{% hint style="info" %}
Please follow the steps to install Screena Portal in this order:

1. [**Preparing your system**](https://help.screena.ai/resources/how-to/install-screena-portal/preparing-your-system) **(you are here)**
2. [Installing Screena Portal backend](https://help.screena.ai/resources/how-to/install-screena-portal/installing-screena-portal-backend)
3. [Launching Screena Portal backend](https://help.screena.ai/resources/how-to/install-screena-portal/launching-screena-portal-backend)
4. [Installing the web server](https://help.screena.ai/resources/how-to/install-screena-portal/installing-the-web-server)
5. [Configuring Screena Portal](https://help.screena.ai/resources/how-to/install-screena-portal/configuring-screena-portal)
   {% endhint %}

Before you begin, ensure that you have a recent version of JDK (Java Development Kit), a compatible database and a compatible web server installed and configured on your system:

## Java Development Kit

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden></th><th data-hidden data-card-cover data-type="files"></th></tr></thead><tbody><tr><td>JDK 17 or higher</td><td><a href="https://www.oracle.com/java/technologies/downloads/">Download JDK 17+</a></td><td></td><td><a href="https://2401496031-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0Al0j8H9zAyjprZOrm47%2Fuploads%2FeGGocSEbOrLs5x67fcPx%2Fjdk.png?alt=media&#x26;token=5749a1f1-d9c3-4a70-ba4f-19a9b2f71843">jdk.png</a></td></tr></tbody></table>

## Compatible databases

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden></th><th data-hidden data-card-cover data-type="files"></th></tr></thead><tbody><tr><td>PostgreSQL 12 or higher</td><td><a href="https://www.postgresql.org/download/">Download PostgreSQL 12+</a></td><td></td><td><a href="https://2401496031-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0Al0j8H9zAyjprZOrm47%2Fuploads%2FsDlTvc0axeppcOgAAfQn%2Fpostgresql.png?alt=media&#x26;token=1ff40ea3-f410-4961-8fc3-27c2b32d3e27">postgresql.png</a></td></tr><tr><td>MariaDB 10.5 or higher</td><td><a href="https://mariadb.com/downloads/">Download MariaDB 10.5+</a></td><td></td><td><a href="https://2401496031-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0Al0j8H9zAyjprZOrm47%2Fuploads%2FuExIpNpeMKVi6NClqDOd%2Fmariadb.png?alt=media&#x26;token=fb70dc8e-421f-4be4-80a6-5fd0bfb5074f">mariadb.png</a></td></tr><tr><td>MySQL 8.0 or higher</td><td><a href="https://dev.mysql.com/downloads/">Download MySQL 8.0+</a></td><td></td><td><a href="https://2401496031-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0Al0j8H9zAyjprZOrm47%2Fuploads%2FibkKIRxHjeTpjKXYWhtR%2Fmysql.png?alt=media&#x26;token=b2d84063-4162-4216-8454-cb4a81939cad">mysql.png</a></td></tr><tr><td>Amazon RDS for PostgreSQL, MariaDB, or MySQL</td><td><a href="https://aws.amazon.com/rds/">Create RDS instance</a></td><td></td><td><a href="https://2401496031-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0Al0j8H9zAyjprZOrm47%2Fuploads%2FtSjfp5tNh3JutJsQ2FMw%2Famazon%20rds.png?alt=media&#x26;token=e4b781f1-3e94-4cd6-927f-b3aa048161cc">amazon rds.png</a></td></tr></tbody></table>

## Compatible web servers

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden></th><th data-hidden data-card-cover data-type="files"></th></tr></thead><tbody><tr><td>Nginx 1.18 or higher</td><td><a href="https://nginx.org/en/download.html">Download Nginx 1.18+</a></td><td></td><td><a href="https://2401496031-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0Al0j8H9zAyjprZOrm47%2Fuploads%2F6oKqbijRXoKbZdIfC7Nx%2Fnginx.png?alt=media&#x26;token=734b1a80-942d-4776-aff6-500f1ad356c4">nginx.png</a></td></tr><tr><td>Apache 2.4 or higher.</td><td><a href="https://httpd.apache.org/download.cgi">Download Apache 2.4+</a></td><td></td><td><a href="https://2401496031-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0Al0j8H9zAyjprZOrm47%2Fuploads%2F6QZm2Zsksq8oo96lF5Wg%2Fapache.png?alt=media&#x26;token=3b935c4e-e7b3-4904-b76b-e686cc8b1a9e">apache.png</a></td></tr></tbody></table>