Below are links to the documentation for loading the drivers required for using the H21-USB logger.
Links for FTDI installation documents and drivers
Windows 7
Windows 8
Windows 10
Mac Drivers can be also found here:
http://www.ftdichip.com/Drivers/VCP.htm
The drivers are available at this link
http://www.ftdichip.com/Drivers/CDM/CDM%20v2.12.24%20WHQL%20Certified.zip
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