---
title: System requirements for CMS 13
slug: cms-13/docs/system-requirements-for-cms13
docTags: 
createdAt: 2026-07-30T20:22:04.530Z
---

See the following articles to install or upgrade CMS 13:

- [Install CMS 13](docId:2sbZiqkDugL4fjzgpUaDA)
- [Upgrade to CMS 13](docId:1Y3KoWaxY0cxXGcXMbXK8)

## Server requirements

### Operating system

Any of the following:

- Linux
- Microsoft Windows Server 2022
- Microsoft Windows Server 2019 (End of support January 2024; extended support offered by Microsoft until January 2029)
- Microsoft Windows Server 2016 (End of support January 2022; extended support offered by Microsoft until January 2027)
- Microsoft Windows Server 2012 R2 (End of support; extended support offered by Microsoft until October 2023)

:::hint{type="info"}
**Note**
From CMS 13, Windows Server 2012 is no longer supported.
:::

- All service packs are supported.

### Web server

Any ASP.NET Core-compatible hosting option.

### Database

Any of the following:

- Microsoft Azure SQL
- Microsoft SQL Server 2022 (Mainstream Support until January 11, 2028, and Extended Support until January 11, 2033)
- All service packs are supported.

### Other requirements

- Microsoft ASP.NET Core (.NET 10 and higher)

:::hint{type="info"}
**Note**
In a production environment, an instance-bound license is required for cloud-based solutions. For non-cloud environments, a permanent IP or MAC address is required.
:::

## Client requirements for editing

Latest Google Chrome browser

:::hint{type="info"}
**Note**
Due to fast release cycles, Optimizely supports only the two latest versions of Google Chrome.
:::

## Client requirements for browsing

Supported web browsers for viewing vary by implementation.

## Development and demonstration environment operating system

Any of the following:

- Linux
- Mac OS
- Microsoft Windows 11
- Microsoft Windows 10
- Microsoft Windows Server 2022

## Development tools

- ASP.NET Core SDK
- A compatible code editor or IDE

:::hint{type="info"}
* **Notes**
  The *Episerver Visual Studio* integration is deprecated.
:::

## Database

Any of the following:

- Microsoft Azure SQL
- Microsoft SQL Server 2022 (Mainstream Support until January 11, 2028, and Extended Support until January 11, 2033)

## Product-specific requirements and deviations

### Optimizely Digital Experience Platform (DXP)

See Requirements for Optimizely DXP.

### Optimizely Forms

Optimizely Forms is only supported by MVC-based websites and HTML5-compliant browsers.