# Installation Process Overview

## Installation Process Overview

Here is a quick overview of the entire installation and setup process:

1. Install/enable Microsoft .NET Framework 3.5 SP1.
2. Install the latest version of Oracle’s Java for Windows.
3. Use the STPISecure to installer to install the RTI-SIPA plugin.
4. Configure your POS System.
5. Connect, power up and configure payment terminals.

***

### Before you begin

By default, the payment terminals using SecurePay will communicate with the POS system over TCP port 9999.

* Open TCP port 9999 on the corporate firewall.
* Open TCP port 9999 on the Windows Defender Firewall on the POS system's Back-Office as well as on all POS workstations.
* The wireless network (for wireless payment terminals) needs to be able to communicate with the POS System.
* Each payment terminal needs access to the Internet.


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.payfacto.com/payfacto-knowledge/uk-and-intl/applications/securepay/use-the-stpi-secure-installer-to-install-the-rti-sipa-plugin/installation-process-overview.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
