macOS Apple Silicon
Secure checkout opens first, followed by the installer and machine-code activation flow.
Windows
Secure checkout opens first, followed by the installer and machine-code activation flow.
Windows may show a first-install Microsoft Defender SmartScreen prompt for a newly distributed desktop app.
macOS Apple Silicon requirements
- Minimum: Apple Silicon Mac, supported macOS release, 8 GB RAM, 1280x720 display, and a CoreAudio-compatible audio interface for stereo 2-track recording.
- Recommended: Apple Silicon Mac with 16 GB RAM and a dedicated USB audio interface for recording.
Windows system requirements
- Minimum: Windows 10 or Windows 11 (64-bit), Intel Core i5 or AMD Ryzen 5 class CPU, 8 GB RAM, 1280x720 display, and a WASAPI- or ASIO-compatible audio interface for stereo 2-track recording.
- Recommended: Windows 11 (64-bit), Intel Core i7 or Ryzen 7, 16 GB RAM, and a dedicated USB audio interface with native ASIO drivers.
Windows install note
Official Atum release, with one extra first-run prompt.
Microsoft Defender SmartScreen may appear the first time you open the Windows installer or app. This can happen with newly distributed desktop releases while reputation builds.
- Click More info.
- Choose Run anyway to continue with the official installer.
- If you want a hand during setup, use the Support page.
Buy the app
The customer selects a platform and completes checkout through a hosted payment page.
Enter the machine code
After payment, the website accepts the machine code from the installed app through a protected form.
Generate the serial
A server-side function verifies payment, records the machine binding, and issues the unlock serial.
Unlock and reinstall later
The customer enters the serial in the app, while the website keeps purchase and license support in one place.
Manual downloads
- Step-by-step recording, importing, splitting, and export workflow
- Metadata, artwork, trimming, and gain or fade commit guidance
- Smart Split tuning, marker control, restoration, and QA review
- Core and advanced shortcuts in one printable manual