Since our app is not yet available on the Mac App Store, macOS may display a notice indicating it is "from an unidentified developer" when you open it for the first time.

This is a standard Apple security measure for apps installed outside the App Store. Rest assured, our software is safe and developed by JLCPCB. To proceed, please kindly follow the steps below to complete the installation.

Step 1: Download the JLCONE App

1. Download the installation package (.dmg or .pkg) from the JLCONE download page.

2. Double-click the downloaded file, then drag the app into the Applications folder.

Step 2: First Launch

1. Open the Applications folder and double-click the JLCONE app icon.

2. You may see the message: Apple cannot verify that "JLCONE" is free of malware that may harm your Mac or compromise your privacy.

Click "Done" to proceed.

Step 3: Allow the Installation

1. Click Apple menu > System Settings (macOS Ventura or later).

2. Go to Privacy & Security.

3. Scroll down to the message: "JLCONE" was blocked to protect your Mac.

4. Click Open Anyway.

Step 4: Reopen the App

Return to Applications and double-click JLCONE to launch it.