Get AEX

Tester builds. Enter the license key you were sent, pick your system, and download. No key yet? Join the beta with a beta code.

License key Format: AEX- followed by four groups of five letters or digits. Dashes and case don't matter.

Your system

macOS 14 Sonoma or 15 Sequoia macOS 26 Tahoe or later Windows 10 or 11 (64-bit)

Not sure which macOS you have? Apple menu → About This Mac.

Join the beta

Have a beta code? Enter it with your name and email address, and your license key is emailed to you.

Beta code 4 to 32 letters, digits or dashes, as posted.

Name How the welcome email greets you.

Email address

Lost your key?

Enter the email address your key was sent to. While your license is valid, the key is emailed to that address again.

Email address

Your download

Checksum

Install

Open the downloaded .dmg.
Drag AEX to the Applications folder, then eject the disk image.
Open AEX from Applications.

Run the downloaded installer and follow its steps.
Start AEX from the Start menu.

First run

If AEX doesn't find your Total Annihilation folder by itself, pick it when asked.
Enter your license key. It activates this install; you can keep playing offline for a while after that.