https://www.ftdichip.com/Drivers/VCP.htm
Installation guides for specific Windows versions are available at the following link.
https://www.ftdichip.com/Support/Documents/InstallGuides.htm
Follow the instructions on the links below to update your USB driver software on your computer.
Click this link to download from the Spectrum Technologies website: ProlificUSB_V3.0.1.0.zip
After downloading, unZip "ProlificUSB_V3.0.1.0.zip" and run "PL-2303 Vista Driver Installer.exe".
https://www.maximintegrated.com/en/design/design-tools/applications-software/product-software/ibutton/software/tmex/download_drivers.html
This is only required when updating from Builds 0200-0205. Builds 0206 and above include this. 4.1 MB (right click and "Save As")
After Downloading to your local machine, run Install_A-Series_Drivers.exe and follow the instructions to install.
6.2 MB (right click and "Save As")
NOTE: This update is for WatchDog Button Loggers (100 series) only.
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Spectrum Technologies, 3600 Thayer Court, Aurora, IL 60504, Phone - 800-248-8873