In order to use biometric devices in your application, you need driver for your scanners. Fingerprint scanner driver allows biometric devices to communicate with your computer. Software developers can use this driver in their application along with a fingerprint SDK (software development kit). These scanners support various third party fingerprint software applications. The driver needs to be manually installed on your computer. Biometric devices are USB based and can get connected through a USB port of your computer. These devices help you capture fingerprint images and save it on your computer. While you install the driver, the fingerprint image capture software also gets installed on your computer and is readily available for you to use. The fingerprint capture software allows you to store fingerprint images on your computer as BMP (bitmap image file) image files.