What are the supported operating systems for HP Support Assistant?

A.
Windows Vista, Windows 7, and Linux

B.
Windows Vista, Windows 7, and Windows 8

C.
Windows XP, Windows Vista, and Windows 7

D.
Windows 7, Windows 8, and Linux

Explanation:

Reference:
http://www8.hp.com/us/en/campaigns/hpsupportassistant/hpsupport.html?jumpid=ex_r602_go_hpsupportassistant#.UR8nuFqtyRI