---
title: "How to Add an Environment Variable"
slug: "howtoaddanenvironmentvariable-1"
updated: 2026-05-22T05:08:02Z
published: 2026-05-22T05:08:02Z
canonical: "help.12dsynergy.com/howtoaddanenvironmentvariable-1"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://help.12dsynergy.com/llms.txt
> Use this file to discover all available pages before exploring further.

# How to Add an Environment Variable

1. Click the **Windows Start** button and type **Environment Variables** in the search bar.

The following two options are displayed. ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/4.1.png)
2. Select **Edit the System Environment Variables** option. The **System Properties** prompt is displayed.
3. In the **Advanced** tab, click the **Environment Variables** button. ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/4.15.png)

The **Environment Variables** prompt is displayed.

![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/4.2(1).png)
4. Click the **New** button. The **New System Variable** prompt dialog is displayed. ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/4.3.png)
5. 12d Synergy Support will provide you with the values of **Variable name** and **Variable value**. Enter them in the **Variable name** and **Variable value** boxes, respectively.
6. Click the **OK** button.

The environment variable is created.