Hello,
You can download the software for your product from the link provided below, after selecting the appropriate Windows 8 operating system of your computer:
http://h10025.www1.hp.com/ewfrf/wc/softwareCategory?product=2512008&lc=en&cc=us&dlc=en&lang=en&cc=us
The link also has support videos that provide instructions on downloading and instaling the software.