---
title: "Rest PKI - Setup on Windows Server"
description: "Requirements for installing Rest PKI on Windows Server (OS, SQL Server or PostgreSQL), the files and PKI SDK license needed, and install and update links."
canonical: "https://docs.lacunasoftware.com/en-us/articles/rest-pki/on-premises/windows-setup"
locale: "en"
product: "Rest PKI (legacy)"
last_updated: "2026-09-08"
---

# Rest PKI - Setup on Windows Server

The minimum requirements for installing a [on premises](https://docs.lacunasoftware.com/en-us/articles/rest-pki/on-premises) instance of [Rest PKI](https://docs.lacunasoftware.com/en-us/articles/rest-pki) on Windows Server are:

* OS: Windows Server 2008 R2 or later
* Database:
  * SQL Server 2008 R2 or later **or**
  * PostgreSQL 9.3 or later

To start the installation procedure, you'll need:

* Rest PKI binaries package: [restpki-1.33.9.zip](https://cdn.lacunasoftware.com/restpki/restpki-1.33.9.zip)
* Binary license for the Lacuna PKI SDK (file LacunaPkiLicense.txt)

> **Note**
>
> If you don't have a license yet, [request a trial license](https://www.lacunasoftware.com/en/home/purchase).

Once you have both files, follow one of the articles below:

1. [Install](https://docs.lacunasoftware.com/en-us/articles/rest-pki/on-premises/windows-setup/install)
1. [Update](https://docs.lacunasoftware.com/en-us/articles/rest-pki/on-premises/windows-setup/update)

## See also

* [Troubleshooting](https://docs.lacunasoftware.com/en-us/articles/rest-pki/on-premises/windows-setup/troubleshoot)