PC Booster - Optimize, Accelerate and Stabilize your Computer PC Booster safely optimizes all aspects of your PC automatically: Tweak hidden System, Internet, Memory, Hard Disk, CD-ROM/DVD-ROM, Desktop, and Start-up/Shut-down settings for maximum performance. Automatically boost your system speed 100 percent without adding new hardware. Tweak hidden System, Internet, Memory, Hard Disk, CD/DVD-ROM, Start-up/Shut-down for maximum performance.