---
title: Changing and Deleting a License Number
description: "NOTICE: Internet connection is required to change and delete the licensenumber. 1. Click File> Help. 2. Double click License number under “Product is Activated.” 3. Type in your new license number in the dialogue box. TIP: You can type in the new…"
url: "https://community.sigmaestimates.com/docs/changing-deleting-license-number/"
updated: "2017-04-27"
category: Settings
---

# Changing and Deleting a License Number

NOTICE: Internet connection is required to change and delete the licensenumber.
1. Click File> Help.
2. Double click License number under “Product is Activated.”
3. Type in your new license number in the dialogue box.
 TIP: You can type in the new license number right over the highlighted number in the dialogue box or backspace the number before typing in the new one.
 TIP: If you’ve had your license number emailed to you can copy it and then paste it in the License number dialogue box in Sigma.

Click Ok.

Deleting a license number 
In order to move your license number (i.e. you want to use it for a different computer) you must first delete the license number from the old computer. Internet connection is required.
1. Click File> Help.
2. Double click License number under “Product is Activated.”
3. Delete the License number in the text box under “Enter your Sigma License number:” in the License number dialogue box.
4. Click Ok.
 NOTE: To activate a Sigma License number on a different computer, please see the “Moving your Sigma License to Another Computer” guide.