HP Support Assistant - Desktop Computers - Version 5.2.9.2 Updates your HP Support Assistant on home desktops to version 5.2.9.2 Rev. 1. With HP Support Assistant, it’s easy to keep desktop computers running smoothly. Optimize the performance of HP desktop computers. Automate support tasks. And get assistance when you need help. All of this from one place on your own PC.HP Support Assistant is an HP application that helps you maintain the performance of your desktop computer and resolve problems through automated updates and tune-ups, built-in diagnostics, and a choice of assistance options.