Mainstage-3.6.4.dmg

4GB minimum (8GB or higher highly recommended for heavy sampling).

Resolution of minor graphical glitches and MIDI routing issues that were reported in previous 3.6.x builds. Who Is This For?

If you already own it, simply head to the App Store > Updates on your Mac to download the latest version. New users can find it for a one-time purchase on the App Store .

MainStage allows keyboard players to layer and split sounds effortlessly across multiple MIDI controllers. You can combine the classic B3 Organ, Electric Piano, and Clavinet emulation plugins with modern wavetable synthesizers like Alchemy. Guitar Rig and Vocal Processing MainStage-3.6.4.dmg

: Launched in early 2026, requiring at least macOS 15.6 to run, effectively moving past the architecture of the 3.x series. MainStage App

Production-grade reverbs (Space Designer, ChromaVerb), vintage delay lines, creative modulation tools, and precision EQ/dynamics processors.

Even a stable version has quirks. Here are the top three user-reported issues with and how to solve them. 4GB minimum (8GB or higher highly recommended for

Once you mount the and drag the app into your Applications folder, launch it. The first boot will ask you to download the "Essential Sounds" library (approx. 5GB). This includes the Studio Horns, Vintage B3 organ, and the massive Alchemy synth library.

Because MainStage is an Apple proprietary software (purchased via the Mac App Store), you cannot simply download the .dmg from a random website—that is a security risk. Here is the legitimate way to obtain :

You can find the current version of the app there. Apple automatically keeps the app listing updated to the latest version. If you already own it, simply head to

To run MainStage 3.6.4 effectively, your system should meet the following minimums: macOS 12.3 or later.

6GB available disk space for minimum installation; up to 72GB for the full Sound Library. Installation Steps