SYSTEM MECHANIC PRO (WIN XP,VISTA,WIN 7,WIN 8)
Compatibility - Works with Windows XP, Vista, 7, 8, 8.1 and Windows 10.
Unlimited PCs - Install this tune-up utility on all the PCs in your household
Performance Booster - Improve your PC performance by defraging hard drive, repairing Window's registry, tweaking CPU and RMA usage, etc.
Powerful Tools - Fixes Errors and Crashes; Restore System Speed; Clean Up System Cluster; Block Virus and Spyware; Boost Processor & RAM
System Defense - Permanently wipes sensitive data; System Shield - Block virus and malware; Anti-Spyware - Stop malicious actions and identity theft.