MerchOS MIO
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MerchOS Download Center

Install MerchOS Locally

Download the native desktop software and Chrome Companion. 100% Zero-Cloud privacy: your Amazon credentials, sales data, and artwork remain strictly on your local disk.

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macOS

Universal Binary for Apple Silicon (M1/M2/M3/M4) & Intel Macs. Compatible with macOS 12 Monterey or later.

⬇ Download for Mac (.dmg) 106 MB ⬇ Portable .zip alternative (96 MB)
Installation Steps:
1
Open the downloaded MerchOS-macOS.dmg disk image.
2
Drag the MerchOS app icon directly into your Applications folder.
3
Launch MerchOS from Spotlight or Launchpad and paste your license key or start your 7-day trial.
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Windows

Native 64-bit desktop package engineered for Windows 10 and Windows 11. Zero background cloud telemetry.

⬇ Download for Windows (.zip) 1.2 MB
Installation Steps:
1
Download and extract MerchOS-Windows.zip to a folder on your computer.
2
Run Start-MerchOS.bat to launch the native desktop application.
3
Enter your license key or click 🎁 Start 7-Day Free Trial to activate.
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Chrome Companion

Essential companion extension for Chrome, Brave, and Edge. Enables automatic Amazon catalog sync, in-create listing fill, and ads harvester.

⬇ Download Extension (.zip) 150 KB
Pairing Walkthrough:
1
Unzip merchos-companion-extension.zip into a folder on your desktop.
2
In Chrome/Brave/Edge, navigate to chrome://extensions and enable Developer mode (top right).
3
Click Load unpacked and select the unzipped extension directory.
4
Visit your Amazon Merch portal and enter the 8-digit sync code displayed in MerchOS to pair.
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100% Zero-Cloud Guarantee

MerchOS never transmits your sales numbers, trademark keywords, or product designs to our servers. All database storage is local SQLite on your own computer.

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