When you buy a new keyboard a CD-ROM will probably included. This CD-ROM contains software to configure the extra function keys (the image above shows an example of extra function keys) of your keyboard with. The problem however is that most of the times
R. Zafarani, and H. Liu. Proceedings of the 19th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, page 41--49. New York, NY, USA, ACM, (2013)