DriverGenius USB to Serial Adapter

 Driver Download

For USB232A-B | USB232A-C | USB232A-E | 4XRS232 | 

Windows OS

USB232-X-4XRS232_DriverInstaller_v402.zip

Windows Driver Installer Setup Program ( Win7 / Win8.1 / Win10 / Win11)
Installer version & Build date: 4.0.2 (2022-03-09)

macOS

USB232-X-4XRS232_Mac_Driver_v2.1.0_20210311.zip

Mac OS X Universal Binary Driver v2.1.0 (PKG file format)
For Mac OS Big Sur (version 11) - see NOTE below
For Mac OS Catalina (version 10.15) .
For Mac OS Mojave (version 10.14)
For Mac OS High Sierra (version 10.13)
For Mac OS X Sierra (version 10.12)
For Mac OS X El Capitan (version 10.11)
For Mac OS X Yosemite (version 10.10)
For Mac OS X Mavericks (version 10.9)
 

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NOTE: Mac OS High Sierra 10.13 introduces a new feature that requires user approval before loading new third-party kernel extensions. Go to System Preferences - Security & Privacy and click Allow. 

https://developer.apple.com/library/content/technotes/tn2459/_index.html

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FAQ

Go DriverGenius USB-RS232 Adapter FAQ Page or Blog.