Breakthru Software
"Breaking down barriers to your innovation."


Evaluate Before You Buy

The program operates in trial mode until activated (with some limitations). We recommend that you request a 30-Day Evaluation Key to get full, unrestricted access to the program for 30 days.


Make sure you have the software pre-requisites installed. A missing or back level pre-req may prevent the program from starting.

Step 1. Uninstall a Previous Release

Release Notes: Always browse the Release Notes to see added features, enhancements, fixes and possible changes to existing function.

If you are upgrading from a previous release, you MUST manually uninstall the previous release before installing a new release. Uninstall from the Windows Control Panel > Programs and Features (see uninstall instructions if you are not familiar with Windows program removal.)

Step 2. Download/Install the Program

Click on the Installer link below, then click Open (or Run) to install the program or Save File to just download it.
All maintenance releases are FREE for the product Version that your purchased.

This is a standard Windows program install. If you need installation Help, see our installation instructions.

Keep the installer file in its folder location for future use. Windows may need it to perform Repair or Uninstall.

Program Installer (for all editions) Version.release Size (Megabytes)
Yes Windows 10/8/7/Vista

Download Sound Mill X3 Installer

Operates in trial mode until activated.
V.r 3.20 7.1 MB
Yes Windows XP

Information and Download link for the XP version.

* Final release for Windows XP; No new development on XP platforms.
V.r 3.12 8.4 MB

Attention: Upgrade from Version 3.3 (or earlier): With release 3.4, there are automation enhancements and some changes to automation editing. Please see the Sound Mill X3 3.4 Release Notes for details.

Step 3. Activation


You will receive an email which will contain your Activation code immediately after completing your order.

Note that if you are using a firewall, you will likely be prompted to allow the program to access the Internet one time for activation.

How to Activate - Start the program and go to Help -- Activate . Copy and paste (keyboard shortcuts Ctrl-C and Ctrl-V ) the Activation code into the activation dialog, then press OK. Please be patient. Activation can take up to 60 seconds to complete depending on Internet traffic load. When activation succeeds, close and restart the program. If you have problems or quesitons activating, go here for more details on activation.

Step 4. Get Started

See the Quick Start page for helpful information and links to get you started quickly with the program.

Operating Systems

Windows logo Our products run on:
Windows 10/8/7/Vista/XP SP3
64bit, 32bit, and "N" editions
(See a few exceptions and see note on XP support.)

30-Day Evaluation Keys

Evaluation Key Simply email us a Request for a Key. It will unlock all the features of the program for all editions and allow you to save your work. No obligation. No order forms. No marketing emails -- Just a key. Enjoy.

Get New Release Notifications

New icon Get email notifications of new releases as soon as they are published by subscribing to the product category on the User Forum . Maintenance releases are free and often contain new product features. Don't miss out. Join today.

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