The ActivCard USB Reader V2 is a hardware device used for securely reading smart cards, typically used in environments where secure authentication is required. This USB smart card reader works with security cards to allow access to systems or applications that require physical authentication, such as logging into a computer, network, or securing sensitive data.

The Windows driver for the ActivCard USB Reader V2 allows the device to communicate properly with a Windows operating system, enabling it to read and interact with the smart cards inserted into the reader. The driver ensures that the operating system can detect the reader and work with smart card software for secure authentication or other smart card-related tasks.