Download and install drivers for Asus K50AB laptops and netbooks, or download the program for automatic driver installation and updates. Driver & Tools, K50AB, Notebook, K50 Series. Driver & Tools. Please select OS Windows 7 64bit. Windows 7 32bit · Windows 7 64bit · Vista 32bit · Vista 64bit. Dragon Assistant leverages the power of Nuance's speech recognition In Windows 7, Dragon Assistant can play CDs and DVDs, including Blu-ray content.