# Install Parallels RAS

To install Parallels RAS:

1. Make sure you have administrative privileges on the computer where you are installing Parallels RAS.
2. Double click the `RASInstaller.msi` file to launch the Parallels RAS installation wizard. If you see a message that begins with "This version of Parallels RAS is only for testing purposes.", it means that it's not an official build and should not be used in a production environment.
3. Follow the onscreen instructions.

{% hint style="info" %}
**Note:** Please ensure that the presented terms in the license agreement are read and accepted to complete installation and/or upgrade. For programmatic deployment, it is understood that the terms in the license agreement have been read and accepted.
{% endhint %}

{% hint style="info" %}
**Note:** If you are upgrading from one of the major versions (for example, from Parallels RAS 18 to Parallels RAS 19), you will see a message that lists system requirements for every component of the new version. Please read them carefully to make sure that all components can be upgraded in your environment. Note that if you install a component on a system that does not meet its system requirements, the component will not work.
{% endhint %}

{% hint style="success" %}
**Help us improve our products!** 

When you install Parallels RAS, you can choose to join Parallels Customer Experience Program. For more information about Parallels Customer Experience Program, see <https://www.parallels.com/about/legal/pcep/>.
{% endhint %}

1. Proceed to the **Select Installation Type** page and select from the following:
   * **Parallels Remote Application Server**. The default installation that will install RAS Console, RAS Management Portal, RAS Connection Broker, RAS Secure Gateway, RAS RD Session Host Agent, RAS PowerShell, and RAS Web Administration Service on the same machine. This is ideal for testing or small production environments.
   * **Parallels RAS Tenant Broker**. This option installs Tenant Broker. Please note that Tenant Broker must be installed on a server separate from the existing RAS farms. For more information about Tenant Broker, please see the [**RAS Multi-Tenant Architecture**](https://docs.parallels.com/landing/ras-admin-guide/v20-en-us/parallels-ras-20-administrators-guide/ras-multi-tenant-architecture) chapter.
   * **Custom.** Select and install only the components that you require. You can select individual components after you click **Next**. Note that if a component cannot be installed on the current server, it will not be available for installation. See **Software Requirements**.
2. Click **Next**.
3. Review the notice on the **Important Notice** wizard page. If there's a port conflict on your computer, the information will be displayed here. You can resolve the conflict later.
4. Click **Next**.
5. On the **Firewall Settings** page, select **Automatically add firewall rules** to configure the firewall on this computer for Parallels RAS to work properly. See **Port Reference** for details.
6. Click **Next** and then click **Install**. Wait for the installation to finish and click **Finish**.
7. If you are upgrading your RAS installation, it is recommend to reboot all servers where components are upgraded.

When you need to install a particular Parallels RAS component on a different server, run the installation wizard again, select **Custom** and choose the component(s) you wish to install.


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