Download and install Keyspan Keyspan USB Serial Adapter driver

Keyspan USB Serial Adapter is a USB Universal Serial Bus hardware device. The developer of this driver was Keyspan. USB/VID_06cd&PID_0121 is the matching hardware id of this device.

1. Keyspan Keyspan USB Serial Adapter driver - how to install it manually

1. You can download from the link below the driver setup file for the Keyspan Keyspan USB Serial Adapter driver. The archive contains version 3.7.0.5 released on 2014-01-16 of the driver.
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3. Run the driver installer file from a user account with the highest privileges (rights). If your UAC (User Access Control) is started please accept of the driver and run the setup with administrative rights.
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5. Follow the driver setup wizard, which will guide you; it should be pretty easy to follow. The driver setup wizard will scan your computer and will install the right driver.
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7. When the operation finishes restart your PC in order to use the updated driver. As you can see it was quite smple to install a Windows driver!
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Keyspan applied a digital signature to this driver.
The file size of this driver is 159790 bytes (156.04 KB)
This driver was rated with an average of 4.7 stars by 1571 users.
This driver is fully compatible with the following versions of Windows:

• This driver works on Windows 2000 64 bits
• This driver works on Windows Server 2003 64 bits
• This driver works on Windows XP 64 bits
• This driver works on Windows Vista 64 bits
• This driver works on Windows 7 64 bits
• This driver works on Windows 8 64 bits
• This driver works on Windows 8.1 64 bits
• This driver works on Windows 10 64 bits
• This driver works on Windows 11 64 bits

2. How to install Keyspan Keyspan USB Serial Adapter driver using DriverMax

The most important advantage of using DriverMax is that it will install the driver for you in just a few seconds and it will keep each driver up to date, not just this one. How can you install a driver with DriverMax? Let's see!

1. Open DriverMax and push on the yellow button that says ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to analyze each driver on your PC.
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3. Take a look at the list of driver updates. Scroll the list down until you locate the Keyspan Keyspan USB Serial Adapter driver. Click the Update button.
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5. That's all, the driver is now installed!
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