How to install WCH Driver (ch341)
Table of Contents
Overview
This article explains how to download and install the WCH serial converter drivers on maCOS and Windows PC.
Installation
⚠️ Some roast machines have a pre-installed USB-to-serial converter that communicates between the roast machine and your computer. These converters require drivers to be installed on your computer's operating system.
Installing WCH Driver (ch341) on maCOS
- Click here to go to the WCH driver download page for Mac.
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Click on the Download icon to start downloading.

- Locate the downloaded file.
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Double-click on the CH34xVCPDriver.pkg file to open the installation dialog.

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Select Continue.

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Select Install to begin the installation.

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A Password may be required to install software on a Mac.
Use Touch ID or enter your password to allow the installation to continue.
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Once you see the successful installation message installation is complete. Click Close to finish the installation.

Installing WCH Driver (ch341) on Windows
- Click here to go to the WCH download page for Windows.
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Click on the Download icon to start downloading.

- Locate the downloaded file.
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Run the installation by double-clicking on the downloaded driver.

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Allow the installation by clicking Yes.

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Click Install to begin the installation.

- Once the installation is complete, a pop-up window will appear.
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Click OK to close the window.

If you have further questions, feedback, or concerns, please submit a support ticket directly from support.cropster.com.