You can find a list of Keyspan USB devices drivers on this page. To download a particular Keyspan USB devices driver, simply select it from the list below. Our website provides drivers for such operating systems as Windows 10, 11, 7, 8 / 8.1, Vista and Windows XP (64/32 Bit). If you are not sure what type of driver is right for you, we recommend downloading a special utility that will automatically select a proper driver for your system. The utility identifies over ten million devices and is easy to use. To start the download, please, click here.

Vendor	Driver Description	Download
Keyspan	Keyspan USA29WG-1 Serial Adapter	Download
Keyspan	Keyspan USA49WG-1 Serial Adapter	Download
Keyspan	Keyspan USB 2.0 4-Port Serial Adapter (USA49WG)	Download
Keyspan	Keyspan USB 4-Port Serial Adapter (USA49W)	Download
Keyspan	Keyspan USB Preloader (USA49W)	Download
Keyspan	Keyspan USB Preloader (USA49WG)	Download
Keyspan	Keyspan USB Preloader (USA49WLC)	Download

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