Moving your Sigma License to Another Computer

Contact Sigma Estimates Support

1. Click on File.

2. On the right side of the window your license number is listed under “Product Activated”.

3. Email Sigma Support at and provide following information:

    • Your company’s name.
    • Which Sigma product you want to activate (Professional, Enterprise, etc)
    • Your License code.
    • Why you would like to reuse the code.

De-activate your license on an old computer

Once you have the approval from Sigma Support to activate your license on a new computer, do the following:

1. Start Sigma on the old computer.

NOTE: If the Sigma Guide window opens, click Cancel in the bottom right corner.

2. Click FILE>Help.

3. Double-click on the license number.

4. Delete the license number from the text box.

5. Confirm that you want to de-activate the Sigma license.

Activate the license on another computer

1. Install and start Sigma on the new computer.

2. Click Activate.

3. Enter the license number.

4. Click Activate online.

NOTE: If the activation is successful, the message “Activation completed” will show. Contact Sigma Support if you get a different message.

5. Click Finish to complete the activation.

NOTE: you must have an active internet connection on both computers to transfer your license.